内容简介 · · · · · ·
《21天学通Python》全面、系统、深入地讲解了Python编程基础语法与高级应用。在讲解过程中，通过大量实际操作的实例将Python语言知识全面、系统、深入地呈现给读者。此外，作者专门为本书录制了大量的配套教学视频，让读者通过分析实例、运行实例尽快熟悉Python编程，在学习中遇到问题时，也可以作为参考。
《21天学通Python》共分三篇。第一篇介绍Python语言的特点、安装、语法基础、程序流程控制、面向过程的编程方法、面向对象的编程方法、程序异常的处理；第二篇介绍了Python语言中的包与模块、迭代器、生成器、装饰器、上下文管理器等进阶语法，同时介绍了使用Python标准库中的文件系统处理、图形化界面编程、正则表达式、网络编程、多进（线）程编程、数据库编程。此外，还介绍了运用第三方库的Web网站编程、图片处理；第三篇通过两个案例介绍Pyth...
《21天学通Python》全面、系统、深入地讲解了Python编程基础语法与高级应用。在讲解过程中，通过大量实际操作的实例将Python语言知识全面、系统、深入地呈现给读者。此外，作者专门为本书录制了大量的配套教学视频，让读者通过分析实例、运行实例尽快熟悉Python编程，在学习中遇到问题时，也可以作为参考。
《21天学通Python》共分三篇。第一篇介绍Python语言的特点、安装、语法基础、程序流程控制、面向过程的编程方法、面向对象的编程方法、程序异常的处理；第二篇介绍了Python语言中的包与模块、迭代器、生成器、装饰器、上下文管理器等进阶语法，同时介绍了使用Python标准库中的文件系统处理、图形化界面编程、正则表达式、网络编程、多进（线）程编程、数据库编程。此外，还介绍了运用第三方库的Web网站编程、图片处理；第三篇通过两个案例介绍Python的综合编程技术。
《21天学通Python》在内容上涉及面广，从基本操作到高级技术及综合案例，涉及Python语言的基础语法和编程特性。《21天学通Python》在设计上浅显易懂、实例丰富，尤其适合广大编程初学者自学，也适合对Python语言感兴趣的爱好者作为参考用书。
作者简介 · · · · · ·
本书的作者团队成员为一线开发工程师、资深编程专家或专业培训师，在编程开发方面有着丰富的经验，并已出版过多本相关畅销书，颇受广大读者认可。长期积累的开发实战经验，结合对编程入门爱好者需求与特点的深入调查研究，本书的内容结构十分有利于编程爱好者和相关学员快速提高水平。
目录 · · · · · ·
第一篇Python编程基础
第1章编程与Python.........................................................................................1
1.1什么是编程........................................................................................................1
1.1.1硬件与软件...........................................................................................................1
1.1.2编程语言...............................................................................................................2
1.1.3编程与调试...........................................................................................................3
· · · · · · (更多)
第1章编程与Python.........................................................................................1
1.1什么是编程........................................................................................................1
1.1.1硬件与软件...........................................................................................................1
1.1.2编程语言...............................................................................................................2
1.1.3编程与调试...........................................................................................................3
· · · · · · (更多)
第一篇Python编程基础
第1章编程与Python.........................................................................................1
1.1什么是编程........................................................................................................1
1.1.1硬件与软件...........................................................................................................1
1.1.2编程语言...............................................................................................................2
1.1.3编程与调试...........................................................................................................3
1.2选择Python的理由...........................................................................................4
1.2.1Python是免费的自由软件...................................................................................4
1.2.2Python是跨平台的...............................................................................................4
1.2.3Python功能强大...................................................................................................4
1.2.4Python清晰优雅...................................................................................................5
1.3安装Python........................................................................................................5
1.3.1在Windows下安装Python..................................................................................6
1.3.2在Linux下安装Python........................................................................................7
1.4选择开发工具....................................................................................................9
1.4.1Python自带开发工具：IDLE..............................................................................9
1.4.2文本编辑器：Emacs.............................................................................................9
1.4.3Python开发工具：PythonWin...........................................................................12
1.5编辑和运行Python程序.................................................................................15
1.5.1你好，Python......................................................................................................15
1.5.2运行程序文件........................................................................................................................15
1.5.3交互式运行Python.............................................................................................16
1.6小结..................................................................................................................17
1.7本章习题..........................................................................................................17
第2章Python起步...........................................................................................19
2.1Python语法基础..............................................................................................19
2.1.1缩进分层.............................................................................................................19
2.1.2代码注释.............................................................................................................20
2.1.3断行.....................................................................................................................20
2.2Python输入/输出.............................................................................................21
2.2.1接收键盘/输入....................................................................................................21
2.2.2显示处理结果........................................................................................................................22
2.3用Python计算.................................................................................................22
2.3.1算式与代数式运算..............................................................................................23
2.3.2惊奇.....................................................................................................................24
2.4小结..................................................................................................................25
2.5本章习题..........................................................................................................25
第3章Python数据类型......................................................................................................27
3.1Python简单数据类型......................................................................................27
3.1.1字符串（str）........................................................................................................................27
3.1.2整数（int）.........................................................................................................30
3.1.3浮点数（float）..................................................................................................31
3.1.4类型转换.............................................................................................................31
3.2字符串进阶.....................................................................................................................32
3.2.1原始字符串.........................................................................................................32
3.2.2格式化字符串..............................................................................................................33
3.2.3中文字符串处理..................................................................................................33
3.3标志符与赋值号..............................................................................................34
3.3.1标志符.................................................................................................................34
3.3.2“＝”.................................................................................................................34
3.4Python结构数据类型......................................................................................35
3.4.1列表（list）.........................................................................................................35
3.4.2元组（tuple）........................................................................................................................37
3.4.3字典（dict）.......................................................................................................37
3.5内置常量与逻辑运算符、比较运算符..........................................................39
3.5.1常用内置常量.................................................................................................39
3.5.2Python中逻辑运算符.........................................................................................39
3.5.3Python中比较运算符.........................................................................................40
3.5.4Python中其他逻辑操作符.................................................................................40
3.6序列..................................................................................................................41
3.6.1序列切片.............................................................................................................41
3.6.2序列内置操作..............................................................................................42
3.7小结..................................................................................................................43
3.8本章习题..........................................................................................................43
第４章控制语句执行流程.................................................................................45
4.1用if选择执行语句..........................................................................................45
4.1.1if基础..................................................................................................................45
4.1.2if语句的嵌套......................................................................................................48
4.2用for循环执行语句.......................................................................................50
4.2.1for基础................................................................................................................50
4.2.2for语句与break语句、continue语句...............................................................50
4.2.3for语句与range()函数.......................................................................................52
4.2.4for语句与内置迭代函数....................................................................................53
4.3用while循环执行语句...................................................................................54
4.3.1while基础.............................................................................................................54
4.3.2增量赋值运算符..................................................................................................55
4.4推导或内涵（listcomprehension）................................................................56
4.4.1推导基础.............................................................................................................56
4.4.2推导进阶.............................................................................................................56
4.5小结..................................................................................................................57
4.6本章习题..........................................................................................................57
第5章自定义功能单元（一）..........................................................................59
5.1使用函数..........................................................................................................59
5.1.1声明函数.............................................................................................................59
5.1.2调用函数.............................................................................................................60
5.2深入函数..........................................................................................................61
5.2.1默认值参数.........................................................................................................61
5.2.2参数传递.............................................................................................................63
5.2.3可变数量参数传递..............................................................................................63
5.2.4拆解序列的函数调用..........................................................................................66
5.2.5函数调用时参数的传递方法..............................................................................66
5.3变量的作用域..................................................................................................68
5.4使用匿名函数（lambda）..............................................................................69
5.5Python常用内建函数......................................................................................70
5.6小结..................................................................................................................71
5.7本章习题..........................................................................................................71
第6章自定义功能单元（二）..........................................................................73
6.1面向对象编程概述..........................................................................................73
6.1.1万物皆对象.........................................................................................................73
6.1.2对象优越性.........................................................................................................74
6.1.3类和对象.............................................................................................................74
6.2定义和使用类..................................................................................................74
6.2.1定义类.................................................................................................................74
6.2.2使用类.................................................................................................................75
6.3类的属性和方法..............................................................................................76
6.3.1类的方法.............................................................................................................76
6.3.2类的属性.............................................................................................................78
6.3.3类成员方法与静态方法......................................................................................80
6.4类的继承..........................................................................................................81
6.4.1类的继承.............................................................................................................81
6.4.2多重继承.............................................................................................................82
6.4.3方法重载.............................................................................................................84
6.5小结..................................................................................................................84
6.6本章习题..........................................................................................................84
第7章错误、异常和程序调试..........................................................................86
7.1语法错误..........................................................................................................86
7.2异常的处理......................................................................................................87
7.2.1异常处理的基本语法..........................................................................................87
7.2.2Python主要的内置异常及其处理......................................................................89
7.3手工抛出异常..................................................................................................91
7.3.1用raise手工抛出异常........................................................................................91
7.3.2assert语句...........................................................................................................92
7.3.3自定义异常类.........................................................................................93
7.4用pdb调试程序..............................................................................................94
7.4.1调试语句块函数..................................................................................................94
7.4.2调试函数.............................................................................................................95
7.5测试程序..........................................................................................................96
7.5.1用testmod函数测试...........................................................................................96
7.5.2用testfile函数测试.............................................................................................97
7.6小结..................................................................................................................98
7.7本章习题..........................................................................................................98
第二篇Python编程高阶
第8章复杂程序组织......................................................................................100
8.1模块................................................................................................................100
8.1.1模块概述...........................................................................................................100
8.1.2自己编写模块................................................................................................101
8.1.3模块位置...........................................................................................................102
8.1.4__pycache__目录..............................................................................................103
8.1.5具有独立运行能力的模块................................................................................103
8.2包....................................................................................................................104
8.2.1包概述...............................................................................................................104
8.2.2包详解...............................................................................................................105
8.3Python常用标准库简介................................................................................106
8.3.1数学类模块.......................................................................................................106
8.3.2日期与时间类.....................................................................................107
8.4小结................................................................................................................107
8.5本章习题........................................................................................................107
第9章迭代器、生成器与装饰器....................................................................109
9.1迭代器............................................................................................................109
9.1.1迭代器概述.......................................................................................................109
9.1.2自定义迭代器...............................................................................110
9.1.3内置迭代器工具................................................................................................110
9.2生成器............................................................................................................113
9.2.1生成器创建.......................................................................................................113
9.2.2深入生成器.......................................................................................................114
9.2.3生成器与协程...............................................................................115
9.3装饰器............................................................................................................116
9.3.1装饰器概述.......................................................................................................116
9.3.2装饰函数...........................................................................................................116
9.3.3装饰类...............................................................................................................117
9.4小结................................................................................................................118
9.5本章习题........................................................................................................119
第10章Python进阶话题..................................................................................................120
10.1函数与命名空间..........................................................................................120
10.2闭包及其应用..............................................................................................121
10.2.1闭包概述.........................................................................................................121
10.2.2闭包与延迟求值..............................................................................................122
10.2.3闭包与泛型函数..............................................................................................122
10.3上下文管理器..............................................................................................123
10.4用字符串操作对象属性..............................................................................125
10.5用字典构造分支程序..................................................................................126
10.6重载类的特殊方法......................................................................................127
10.7鸭子类型（ducktyping）与多态...............................................................128
10.8小结..............................................................................................................129
10.9本章习题......................................................................................................129
第11章文件与文件系统.................................................................................131
11.1文件操作基础..............................................................................................131
11.1.1open()函数.......................................................................................................131
11.1.2用fileinput操作文件......................................................................................133
11.2常用文件和目录操作..................................................................................134
11.2.1获得当前路径..................................................................................................134
11.2.2获得目录中的内容..........................................................................................134
11.2.3创建目录..........................................................................................................135
11.2.4删除目录..........................................................................................................135
11.2.5判断是否是目录..............................................................................................135
11.2.6判断是否为文件..............................................................................................135
11.2.7遍历某目录下的所有文件和目录..................................................................136
11.2.8由文件名批量获取姓名和考号......................................................................136
11.2.9批量文件重命名..............................................................................................137
11.3编译为可执行文件......................................................................................138
11.3.1用py2exe生成可执行程序............................................................................138
11.3.2用cx_freeze生成可执行文件........................................................................139
11.4小结..............................................................................................................141
11.5本章习题......................................................................................................141
第12章基于tkinter的GUI编程....................................................................142
12.1GUI概述......................................................................................................142
12.1.1GUI是什么.....................................................................................................142
12.1.2Python编写GUI程序库................................................................................142
12.2tkinter图形化库简介...................................................................................143
12.2.1创建GUI程序第一步.....................................................................................143
12.2.2创建GUI程序第二步.....................................................................................144
12.3tkinter组件.....................................................................................................................145
12.3.1组件分类.........................................................................................................145
12.3.2布局组件.........................................................................................................145
12.4常用tkinter组件..........................................................................................146
12.4.1按钮.................................................................................................................146
12.4.2文本框.............................................................................................................148
12.4.3标签.................................................................................................................149
12.4.4菜单.................................................................................................................150
12.4.5单选框和复选框..............................................................................................152
12.4.6绘制图形.........................................................................................................154
12.5响应操作事件..............................................................................................156
12.5.1事件基础.........................................................................................................156
12.5.2响应事件.........................................................................................................158
12.6对话框..........................................................................................................160
12.6.1标准对话框.....................................................................................................160
12.6.2自定义对话框..................................................................................................166
12.7小结..............................................................................................................167
12.8本章习题......................................................................................................167
第13章正则表达式........................................................................................169
13.1正则表达式基础..........................................................................................169
13.1.1正则表达式概述..............................................................................................169
13.1.2正则表达式基本元字符..................................................................................169
13.1.3常用正则表达式..............................................................................................171
13.2re模块..........................................................................................................172
13.2.1正则匹配搜索函数..........................................................................................172
13.2.2sub()与subn()函数..........................................................................................173
13.2.3split()函数........................................................................................................174
13.2.4正则表达式对象..............................................................................................174
13.3分组匹配与匹配对象使用..........................................................................178
13.3.1分组基础.........................................................................................................178
13.3.2分组扩展.........................................................................................................178
13.3.3匹配对象与组的使用......................................................................................179
13.3.4匹配对象与索引使用......................................................................................180
13.4正则表达式应用示例..................................................................................181
13.5小结..............................................................................................................183
13.6本章习题......................................................................................................183
第14章网络编程............................................................................................184
14.1网络编程基础..............................................................................................184
14.1.1什么是网络.....................................................................................................184
14.1.2网络协议.........................................................................................................184
14.1.3地址与端口.....................................................................................................185
14.2套接字的使用..............................................................................................186
14.2.1用socket建立服务器端程序..........................................................................186
14.2.2用socket建立客户端程序..............................................................................187
14.2.3用socket建立基于UDP协议的服务器与客户端程序................................188
14.2.4用socketserver模块建立服务器....................................................................190
14.3urllib与http包使用....................................................................................191
14.3.1urllib和http包简介........................................................................................191
14.3.2用urllib和http包访问网站...........................................................................194
14.4用poplib与smtplib库收发邮件................................................................195
14.4.1用poplib检查邮件.........................................................................................195
14.4.2用smtplib发送邮件........................................................................................197
14.5用ftplib访问FTP服务...............................................................................199
14.5.1ftplib模块简介................................................................................................199
14.5.2使用Python访问FTP....................................................................................201
14.6小结..............................................................................................................203
14.7本章习题......................................................................................................203
第15章线程和进程........................................................................................204
15.1线程..............................................................................................................204
15.1.1用threading.Thread直接在线程中运行函数.................................................204
15.1.2通过继承threading.Thread类来创建线程.....................................................205
15.1.3线程类Thread使用........................................................................................205
15.2进程..............................................................................................................209
15.2.1进程基础.........................................................................................................209
15.2.2用Popen类创建进程......................................................................................210
15.3小结..............................................................................................................212
15.4本章习题......................................................................................................212
第16章数据库编程........................................................................................213
16.1Python数据库应用程序接口......................................................................213
16.1.1数据库应用程序接口概述..............................................................................213
16.1.2数据库游标的使用..........................................................................................214
16.2Python操作SQLite3数据库......................................................................214
16.2.1SQLite3数据库简介.......................................................................................214
16.2.2SQLite3数据库操作实例...............................................................................215
16.3Python操作MariaDB数据库.....................................................................217
16.3.1MariaDB数据库简介......................................................................................218
16.3.2建立MariaDB数据库操作环境.....................................................................218
16.3.3MariaDB数据库操作实例..............................................................................220
16.4Python操作MongoDB数据库...................................................................222
16.4.1MongoDB数据库简介....................................................................................222
16.4.2建立MongoDB数据库操作环境...................................................................222
16.4.3MongoDB数据库基础....................................................................................223
16.4.4MongoDB数据库操作实例............................................................................226
16.4.5用对象关系映射（ORM）工具操作MongoDB数据库..............................228
16.5小结..............................................................................................................231
16.6本章习题......................................................................................................231
第17章Web网站编程...................................................................................232
17.1Web网站编程概述......................................................................................232
17.2FlaskWeb框架及其应用............................................................................233
17.2.1FlaskWeb框架简介........................................................................................233
17.2.2FlaskWeb框架初识........................................................................................233
17.2.3URL装饰器与URL参数传递.......................................................................235
17.2.4GET与POST请求的参数传递.....................................................................237
17.2.5使用cookie与session跟踪客户....................................................................239
17.2.6使用静态文件资源与页面文件......................................................................241
17.2.7接收上传文件..................................................................................................243
17.2.8Flask框架中使用数据库................................................................................244
17.3TornadoWeb框架及其应用........................................................................247
17.3.1Tornado框架简介...........................................................................................247
17.3.2Tornado框架初识...........................................................................................247
17.3.3请求参数的获取..............................................................................................249
17.3.4用cookie与安全cookie跟踪客户.................................................................251
17.3.5URL转向与静态文件资源.............................................................................252
17.3.6TornadoWeb框架应用举例...........................................................................254
17.4小结..............................................................................................................259
17.5本章习题......................................................................................................259
第18章数据结构基础....................................................................................261
18.1表、栈和队列..............................................................................................261
18.1.1用列表来创建表..............................................................................................261
18.1.2自定义栈数据结构..........................................................................................262
18.1.3实现队列功能..................................................................................................264
18.2树和图..........................................................................................................265
18.2.1用列表构建树..................................................................................................265
18.2.2实现二叉树类与遍历二叉树..........................................................................266
18.2.3用字典构建与搜索图......................................................................................269
18.3查找与排序..................................................................................................271
18.3.1实现二分查找..................................................................................................271
18.3.2用二叉树排序..................................................................................................273
18.4小结..............................................................................................................275
18.5本章习题......................................................................................................275
第19章用Pillow库处理图片.........................................................................276
19.1第三方Pillow库概述..................................................................................276
19.1.1安装第三方Pillow库.....................................................................................276
19.1.2Pillow库简介..................................................................................................276
19.1.3Pillow库处理图像基础..................................................................................277
19.1.4Image模块中函数的使用...............................................................................278
19.1.5Image模块中Image类的使用.......................................................................281
19.1.6使用ImageChops模块进行图片合成............................................................286
19.1.7使用ImageEnhance模块增强图像效果........................................................289
19.1.8使用ImageFilter模块的滤镜.........................................................................290
19.1.9使用ImageDraw模块画图.............................................................................291
19.2使用Pillow库处理图片举例......................................................................292
19.2.1图片格式转换..................................................................................................292
19.2.2批量生成缩略图..............................................................................................294
19.2.3为图片添加Logo............................................................................................297
19.3小结..............................................................................................................301
19.4本章习题......................................................................................................302
第三篇Python编程实战
第20章案例1做一个Windows上的360工具...........................................303
20.1案例背景......................................................................................................303
20.2从创建图形化界面开始..............................................................................304
20.2.1创建基本图形化工作界面..............................................................................304
20.2.2响应菜单事件..................................................................................................306
20.3清理垃圾文件..............................................................................................308
20.3.1迭代目录.........................................................................................................308
20.3.2扫描垃圾文件..................................................................................................309
20.3.3多线程加速.....................................................................................................311
20.3.4扫描所有磁盘..................................................................................................312
20.3.5删除垃圾文件..................................................................................................314
20.4搜索文件......................................................................................................316
20.4.1搜索超大文件..................................................................................................316
20.4.2按名称搜索文件..............................................................................................317
20.5小结..............................................................................................................318
第21章案例2Python搞定大数据..............................................................320
21.1案例背景......................................................................................................320
21.1.1大数据处理方式概述......................................................................................320
21.1.2处理日志文件..................................................................................................321
21.1.3要实现的案例目标..........................................................................................322
21.2分割日志文件..............................................................................................322
21.3用Map函数处理小文件.............................................................................324
21.4用Reduce函数归集数据............................................................................326
21.5小结..............................................................................................................327
· · · · · · (收起)
第1章编程与Python.........................................................................................1
1.1什么是编程........................................................................................................1
1.1.1硬件与软件...........................................................................................................1
1.1.2编程语言...............................................................................................................2
1.1.3编程与调试...........................................................................................................3
1.2选择Python的理由...........................................................................................4
1.2.1Python是免费的自由软件...................................................................................4
1.2.2Python是跨平台的...............................................................................................4
1.2.3Python功能强大...................................................................................................4
1.2.4Python清晰优雅...................................................................................................5
1.3安装Python........................................................................................................5
1.3.1在Windows下安装Python..................................................................................6
1.3.2在Linux下安装Python........................................................................................7
1.4选择开发工具....................................................................................................9
1.4.1Python自带开发工具：IDLE..............................................................................9
1.4.2文本编辑器：Emacs.............................................................................................9
1.4.3Python开发工具：PythonWin...........................................................................12
1.5编辑和运行Python程序.................................................................................15
1.5.1你好，Python......................................................................................................15
1.5.2运行程序文件........................................................................................................................15
1.5.3交互式运行Python.............................................................................................16
1.6小结..................................................................................................................17
1.7本章习题..........................................................................................................17
第2章Python起步...........................................................................................19
2.1Python语法基础..............................................................................................19
2.1.1缩进分层.............................................................................................................19
2.1.2代码注释.............................................................................................................20
2.1.3断行.....................................................................................................................20
2.2Python输入/输出.............................................................................................21
2.2.1接收键盘/输入....................................................................................................21
2.2.2显示处理结果........................................................................................................................22
2.3用Python计算.................................................................................................22
2.3.1算式与代数式运算..............................................................................................23
2.3.2惊奇.....................................................................................................................24
2.4小结..................................................................................................................25
2.5本章习题..........................................................................................................25
第3章Python数据类型......................................................................................................27
3.1Python简单数据类型......................................................................................27
3.1.1字符串（str）........................................................................................................................27
3.1.2整数（int）.........................................................................................................30
3.1.3浮点数（float）..................................................................................................31
3.1.4类型转换.............................................................................................................31
3.2字符串进阶.....................................................................................................................32
3.2.1原始字符串.........................................................................................................32
3.2.2格式化字符串..............................................................................................................33
3.2.3中文字符串处理..................................................................................................33
3.3标志符与赋值号..............................................................................................34
3.3.1标志符.................................................................................................................34
3.3.2“＝”.................................................................................................................34
3.4Python结构数据类型......................................................................................35
3.4.1列表（list）.........................................................................................................35
3.4.2元组（tuple）........................................................................................................................37
3.4.3字典（dict）.......................................................................................................37
3.5内置常量与逻辑运算符、比较运算符..........................................................39
3.5.1常用内置常量.................................................................................................39
3.5.2Python中逻辑运算符.........................................................................................39
3.5.3Python中比较运算符.........................................................................................40
3.5.4Python中其他逻辑操作符.................................................................................40
3.6序列..................................................................................................................41
3.6.1序列切片.............................................................................................................41
3.6.2序列内置操作..............................................................................................42
3.7小结..................................................................................................................43
3.8本章习题..........................................................................................................43
第４章控制语句执行流程.................................................................................45
4.1用if选择执行语句..........................................................................................45
4.1.1if基础..................................................................................................................45
4.1.2if语句的嵌套......................................................................................................48
4.2用for循环执行语句.......................................................................................50
4.2.1for基础................................................................................................................50
4.2.2for语句与break语句、continue语句...............................................................50
4.2.3for语句与range()函数.......................................................................................52
4.2.4for语句与内置迭代函数....................................................................................53
4.3用while循环执行语句...................................................................................54
4.3.1while基础.............................................................................................................54
4.3.2增量赋值运算符..................................................................................................55
4.4推导或内涵（listcomprehension）................................................................56
4.4.1推导基础.............................................................................................................56
4.4.2推导进阶.............................................................................................................56
4.5小结..................................................................................................................57
4.6本章习题..........................................................................................................57
第5章自定义功能单元（一）..........................................................................59
5.1使用函数..........................................................................................................59
5.1.1声明函数.............................................................................................................59
5.1.2调用函数.............................................................................................................60
5.2深入函数..........................................................................................................61
5.2.1默认值参数.........................................................................................................61
5.2.2参数传递.............................................................................................................63
5.2.3可变数量参数传递..............................................................................................63
5.2.4拆解序列的函数调用..........................................................................................66
5.2.5函数调用时参数的传递方法..............................................................................66
5.3变量的作用域..................................................................................................68
5.4使用匿名函数（lambda）..............................................................................69
5.5Python常用内建函数......................................................................................70
5.6小结..................................................................................................................71
5.7本章习题..........................................................................................................71
第6章自定义功能单元（二）..........................................................................73
6.1面向对象编程概述..........................................................................................73
6.1.1万物皆对象.........................................................................................................73
6.1.2对象优越性.........................................................................................................74
6.1.3类和对象.............................................................................................................74
6.2定义和使用类..................................................................................................74
6.2.1定义类.................................................................................................................74
6.2.2使用类.................................................................................................................75
6.3类的属性和方法..............................................................................................76
6.3.1类的方法.............................................................................................................76
6.3.2类的属性.............................................................................................................78
6.3.3类成员方法与静态方法......................................................................................80
6.4类的继承..........................................................................................................81
6.4.1类的继承.............................................................................................................81
6.4.2多重继承.............................................................................................................82
6.4.3方法重载.............................................................................................................84
6.5小结..................................................................................................................84
6.6本章习题..........................................................................................................84
第7章错误、异常和程序调试..........................................................................86
7.1语法错误..........................................................................................................86
7.2异常的处理......................................................................................................87
7.2.1异常处理的基本语法..........................................................................................87
7.2.2Python主要的内置异常及其处理......................................................................89
7.3手工抛出异常..................................................................................................91
7.3.1用raise手工抛出异常........................................................................................91
7.3.2assert语句...........................................................................................................92
7.3.3自定义异常类.........................................................................................93
7.4用pdb调试程序..............................................................................................94
7.4.1调试语句块函数..................................................................................................94
7.4.2调试函数.............................................................................................................95
7.5测试程序..........................................................................................................96
7.5.1用testmod函数测试...........................................................................................96
7.5.2用testfile函数测试.............................................................................................97
7.6小结..................................................................................................................98
7.7本章习题..........................................................................................................98
第二篇Python编程高阶
第8章复杂程序组织......................................................................................100
8.1模块................................................................................................................100
8.1.1模块概述...........................................................................................................100
8.1.2自己编写模块................................................................................................101
8.1.3模块位置...........................................................................................................102
8.1.4__pycache__目录..............................................................................................103
8.1.5具有独立运行能力的模块................................................................................103
8.2包....................................................................................................................104
8.2.1包概述...............................................................................................................104
8.2.2包详解...............................................................................................................105
8.3Python常用标准库简介................................................................................106
8.3.1数学类模块.......................................................................................................106
8.3.2日期与时间类.....................................................................................107
8.4小结................................................................................................................107
8.5本章习题........................................................................................................107
第9章迭代器、生成器与装饰器....................................................................109
9.1迭代器............................................................................................................109
9.1.1迭代器概述.......................................................................................................109
9.1.2自定义迭代器...............................................................................110
9.1.3内置迭代器工具................................................................................................110
9.2生成器............................................................................................................113
9.2.1生成器创建.......................................................................................................113
9.2.2深入生成器.......................................................................................................114
9.2.3生成器与协程...............................................................................115
9.3装饰器............................................................................................................116
9.3.1装饰器概述.......................................................................................................116
9.3.2装饰函数...........................................................................................................116
9.3.3装饰类...............................................................................................................117
9.4小结................................................................................................................118
9.5本章习题........................................................................................................119
第10章Python进阶话题..................................................................................................120
10.1函数与命名空间..........................................................................................120
10.2闭包及其应用..............................................................................................121
10.2.1闭包概述.........................................................................................................121
10.2.2闭包与延迟求值..............................................................................................122
10.2.3闭包与泛型函数..............................................................................................122
10.3上下文管理器..............................................................................................123
10.4用字符串操作对象属性..............................................................................125
10.5用字典构造分支程序..................................................................................126
10.6重载类的特殊方法......................................................................................127
10.7鸭子类型（ducktyping）与多态...............................................................128
10.8小结..............................................................................................................129
10.9本章习题......................................................................................................129
第11章文件与文件系统.................................................................................131
11.1文件操作基础..............................................................................................131
11.1.1open()函数.......................................................................................................131
11.1.2用fileinput操作文件......................................................................................133
11.2常用文件和目录操作..................................................................................134
11.2.1获得当前路径..................................................................................................134
11.2.2获得目录中的内容..........................................................................................134
11.2.3创建目录..........................................................................................................135
11.2.4删除目录..........................................................................................................135
11.2.5判断是否是目录..............................................................................................135
11.2.6判断是否为文件..............................................................................................135
11.2.7遍历某目录下的所有文件和目录..................................................................136
11.2.8由文件名批量获取姓名和考号......................................................................136
11.2.9批量文件重命名..............................................................................................137
11.3编译为可执行文件......................................................................................138
11.3.1用py2exe生成可执行程序............................................................................138
11.3.2用cx_freeze生成可执行文件........................................................................139
11.4小结..............................................................................................................141
11.5本章习题......................................................................................................141
第12章基于tkinter的GUI编程....................................................................142
12.1GUI概述......................................................................................................142
12.1.1GUI是什么.....................................................................................................142
12.1.2Python编写GUI程序库................................................................................142
12.2tkinter图形化库简介...................................................................................143
12.2.1创建GUI程序第一步.....................................................................................143
12.2.2创建GUI程序第二步.....................................................................................144
12.3tkinter组件.....................................................................................................................145
12.3.1组件分类.........................................................................................................145
12.3.2布局组件.........................................................................................................145
12.4常用tkinter组件..........................................................................................146
12.4.1按钮.................................................................................................................146
12.4.2文本框.............................................................................................................148
12.4.3标签.................................................................................................................149
12.4.4菜单.................................................................................................................150
12.4.5单选框和复选框..............................................................................................152
12.4.6绘制图形.........................................................................................................154
12.5响应操作事件..............................................................................................156
12.5.1事件基础.........................................................................................................156
12.5.2响应事件.........................................................................................................158
12.6对话框..........................................................................................................160
12.6.1标准对话框.....................................................................................................160
12.6.2自定义对话框..................................................................................................166
12.7小结..............................................................................................................167
12.8本章习题......................................................................................................167
第13章正则表达式........................................................................................169
13.1正则表达式基础..........................................................................................169
13.1.1正则表达式概述..............................................................................................169
13.1.2正则表达式基本元字符..................................................................................169
13.1.3常用正则表达式..............................................................................................171
13.2re模块..........................................................................................................172
13.2.1正则匹配搜索函数..........................................................................................172
13.2.2sub()与subn()函数..........................................................................................173
13.2.3split()函数........................................................................................................174
13.2.4正则表达式对象..............................................................................................174
13.3分组匹配与匹配对象使用..........................................................................178
13.3.1分组基础.........................................................................................................178
13.3.2分组扩展.........................................................................................................178
13.3.3匹配对象与组的使用......................................................................................179
13.3.4匹配对象与索引使用......................................................................................180
13.4正则表达式应用示例..................................................................................181
13.5小结..............................................................................................................183
13.6本章习题......................................................................................................183
第14章网络编程............................................................................................184
14.1网络编程基础..............................................................................................184
14.1.1什么是网络.....................................................................................................184
14.1.2网络协议.........................................................................................................184
14.1.3地址与端口.....................................................................................................185
14.2套接字的使用..............................................................................................186
14.2.1用socket建立服务器端程序..........................................................................186
14.2.2用socket建立客户端程序..............................................................................187
14.2.3用socket建立基于UDP协议的服务器与客户端程序................................188
14.2.4用socketserver模块建立服务器....................................................................190
14.3urllib与http包使用....................................................................................191
14.3.1urllib和http包简介........................................................................................191
14.3.2用urllib和http包访问网站...........................................................................194
14.4用poplib与smtplib库收发邮件................................................................195
14.4.1用poplib检查邮件.........................................................................................195
14.4.2用smtplib发送邮件........................................................................................197
14.5用ftplib访问FTP服务...............................................................................199
14.5.1ftplib模块简介................................................................................................199
14.5.2使用Python访问FTP....................................................................................201
14.6小结..............................................................................................................203
14.7本章习题......................................................................................................203
第15章线程和进程........................................................................................204
15.1线程..............................................................................................................204
15.1.1用threading.Thread直接在线程中运行函数.................................................204
15.1.2通过继承threading.Thread类来创建线程.....................................................205
15.1.3线程类Thread使用........................................................................................205
15.2进程..............................................................................................................209
15.2.1进程基础.........................................................................................................209
15.2.2用Popen类创建进程......................................................................................210
15.3小结..............................................................................................................212
15.4本章习题......................................................................................................212
第16章数据库编程........................................................................................213
16.1Python数据库应用程序接口......................................................................213
16.1.1数据库应用程序接口概述..............................................................................213
16.1.2数据库游标的使用..........................................................................................214
16.2Python操作SQLite3数据库......................................................................214
16.2.1SQLite3数据库简介.......................................................................................214
16.2.2SQLite3数据库操作实例...............................................................................215
16.3Python操作MariaDB数据库.....................................................................217
16.3.1MariaDB数据库简介......................................................................................218
16.3.2建立MariaDB数据库操作环境.....................................................................218
16.3.3MariaDB数据库操作实例..............................................................................220
16.4Python操作MongoDB数据库...................................................................222
16.4.1MongoDB数据库简介....................................................................................222
16.4.2建立MongoDB数据库操作环境...................................................................222
16.4.3MongoDB数据库基础....................................................................................223
16.4.4MongoDB数据库操作实例............................................................................226
16.4.5用对象关系映射（ORM）工具操作MongoDB数据库..............................228
16.5小结..............................................................................................................231
16.6本章习题......................................................................................................231
第17章Web网站编程...................................................................................232
17.1Web网站编程概述......................................................................................232
17.2FlaskWeb框架及其应用............................................................................233
17.2.1FlaskWeb框架简介........................................................................................233
17.2.2FlaskWeb框架初识........................................................................................233
17.2.3URL装饰器与URL参数传递.......................................................................235
17.2.4GET与POST请求的参数传递.....................................................................237
17.2.5使用cookie与session跟踪客户....................................................................239
17.2.6使用静态文件资源与页面文件......................................................................241
17.2.7接收上传文件..................................................................................................243
17.2.8Flask框架中使用数据库................................................................................244
17.3TornadoWeb框架及其应用........................................................................247
17.3.1Tornado框架简介...........................................................................................247
17.3.2Tornado框架初识...........................................................................................247
17.3.3请求参数的获取..............................................................................................249
17.3.4用cookie与安全cookie跟踪客户.................................................................251
17.3.5URL转向与静态文件资源.............................................................................252
17.3.6TornadoWeb框架应用举例...........................................................................254
17.4小结..............................................................................................................259
17.5本章习题......................................................................................................259
第18章数据结构基础....................................................................................261
18.1表、栈和队列..............................................................................................261
18.1.1用列表来创建表..............................................................................................261
18.1.2自定义栈数据结构..........................................................................................262
18.1.3实现队列功能..................................................................................................264
18.2树和图..........................................................................................................265
18.2.1用列表构建树..................................................................................................265
18.2.2实现二叉树类与遍历二叉树..........................................................................266
18.2.3用字典构建与搜索图......................................................................................269
18.3查找与排序..................................................................................................271
18.3.1实现二分查找..................................................................................................271
18.3.2用二叉树排序..................................................................................................273
18.4小结..............................................................................................................275
18.5本章习题......................................................................................................275
第19章用Pillow库处理图片.........................................................................276
19.1第三方Pillow库概述..................................................................................276
19.1.1安装第三方Pillow库.....................................................................................276
19.1.2Pillow库简介..................................................................................................276
19.1.3Pillow库处理图像基础..................................................................................277
19.1.4Image模块中函数的使用...............................................................................278
19.1.5Image模块中Image类的使用.......................................................................281
19.1.6使用ImageChops模块进行图片合成............................................................286
19.1.7使用ImageEnhance模块增强图像效果........................................................289
19.1.8使用ImageFilter模块的滤镜.........................................................................290
19.1.9使用ImageDraw模块画图.............................................................................291
19.2使用Pillow库处理图片举例......................................................................292
19.2.1图片格式转换..................................................................................................292
19.2.2批量生成缩略图..............................................................................................294
19.2.3为图片添加Logo............................................................................................297
19.3小结..............................................................................................................301
19.4本章习题......................................................................................................302
第三篇Python编程实战
第20章案例1做一个Windows上的360工具...........................................303
20.1案例背景......................................................................................................303
20.2从创建图形化界面开始..............................................................................304
20.2.1创建基本图形化工作界面..............................................................................304
20.2.2响应菜单事件..................................................................................................306
20.3清理垃圾文件..............................................................................................308
20.3.1迭代目录.........................................................................................................308
20.3.2扫描垃圾文件..................................................................................................309
20.3.3多线程加速.....................................................................................................311
20.3.4扫描所有磁盘..................................................................................................312
20.3.5删除垃圾文件..................................................................................................314
20.4搜索文件......................................................................................................316
20.4.1搜索超大文件..................................................................................................316
20.4.2按名称搜索文件..............................................................................................317
20.5小结..............................................................................................................318
第21章案例2Python搞定大数据..............................................................320
21.1案例背景......................................................................................................320
21.1.1大数据处理方式概述......................................................................................320
21.1.2处理日志文件..................................................................................................321
21.1.3要实现的案例目标..........................................................................................322
21.2分割日志文件..............................................................................................322
21.3用Map函数处理小文件.............................................................................324
21.4用Reduce函数归集数据............................................................................326
21.5小结..............................................................................................................327
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3 有用 Jill 2016-08-18 19:25:23
全面系统但不深入，一个框架，21天怎么可能
1 有用 GeeMusou 2018-06-18 13:04:43
你感兴趣的话题都能得到简单直接友好的解答，作为python入门书几乎是完美了。想深入学的不会只花21天来研究。
0 有用 Tony悖论 2021-06-25 13:38:50
读了大部分。内容上还是涵盖了大多数重要主题的，范例也比较有代表性。课后习题质量不高，而且笔误不少。花21天了解一下也可以。
0 有用 不稳定结合物 2021-10-21 17:23:17
垃圾，买水军刷小组
0 有用 punkciber 2018-05-10 20:44:58
>>> import this The Zen of Python, by Tim Peters Beautiful is better than ugly. Explicit is better than implicit. Simple is better than complex. Complex is better than complicated. Flat is better tha... >>> import this The Zen of Python, by Tim Peters Beautiful is better than ugly. Explicit is better than implicit. Simple is better than complex. Complex is better than complicated. Flat is better than nested. Sparse is better than dense. Readability counts. Special cases aren't special enough to break the rules. Although practicality beats purity. (展开)
0 有用 不稳定结合物 2021-10-21 17:23:17
垃圾，买水军刷小组
0 有用 Tony悖论 2021-06-25 13:38:50
读了大部分。内容上还是涵盖了大多数重要主题的，范例也比较有代表性。课后习题质量不高，而且笔误不少。花21天了解一下也可以。
0 有用 canopus1921 2020-11-02 13:10:23
很多文件缺失 无法重新充作 课文里提供的代码 语言过于抽象 想要对p语言失去学习兴趣 此书是不二选择
1 有用 GeeMusou 2018-06-18 13:04:43
你感兴趣的话题都能得到简单直接友好的解答，作为python入门书几乎是完美了。想深入学的不会只花21天来研究。
0 有用 punkciber 2018-05-10 20:44:58
>>> import this The Zen of Python, by Tim Peters Beautiful is better than ugly. Explicit is better than implicit. Simple is better than complex. Complex is better than complicated. Flat is better tha... >>> import this The Zen of Python, by Tim Peters Beautiful is better than ugly. Explicit is better than implicit. Simple is better than complex. Complex is better than complicated. Flat is better than nested. Sparse is better than dense. Readability counts. Special cases aren't special enough to break the rules. Although practicality beats purity. (展开)