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<!DOCTYPE HTML>
<html lang="en-US" >
<head>
<meta charset="UTF-8">
<title>正规地说一句话 | 为什么要开设此栏目</title>
<meta content="text/html; charset=utf-8" http-equiv="Content-Type">
<meta name="description" content="">
<meta name="generator" content="GitBook 1.0.3">
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<link rel="shortcut icon" href="gitbook/images/favicon.ico" type="image/x-icon">
<link rel="next" href="./202.html" />
<link rel="prev" href="./index.html" />
</head>
<body>
<link rel="stylesheet" href="gitbook/style.css">
<div class="book" data-level="3.1" data-basepath="." data-revision="1413856452596">
<div class="book-summary">
<div class="book-search">
<input type="text" placeholder="Type to search" class="form-control" />
</div>
<ul class="summary">
<li class="chapter " data-level="0" data-path="index.html">
<a href="./index.html">
<i class="fa fa-check"></i>
Introduction
</a>
</li>
<li class="chapter " data-level="1" data-path="index.html">
<a href="./index.html">
<i class="fa fa-check"></i>
<b>1.</b>
第零部分 独上高楼，望尽天涯路
</a>
<ul class="articles">
<li class="chapter " data-level="1.1" data-path="001.html">
<a href="./001.html">
<i class="fa fa-check"></i>
<b>1.1.</b>
唠叨一些关于python的事情
</a>
</li>
<li class="chapter " data-level="1.2" data-path="index.html">
<a href="./index.html">
<i class="fa fa-check"></i>
<b>1.2.</b>
开始本栏目的原因
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="2" data-path="index.html">
<a href="./index.html">
<i class="fa fa-check"></i>
<b>2.</b>
第一部分 积小流，至江海
</a>
<ul class="articles">
<li class="chapter " data-level="2.1" data-path="101.html">
<a href="./101.html">
<i class="fa fa-check"></i>
<b>2.1.</b>
Python环境安装
</a>
</li>
<li class="chapter " data-level="2.2" data-path="102.html">
<a href="./102.html">
<i class="fa fa-check"></i>
<b>2.2.</b>
集成开发环境（IDE）
</a>
</li>
<li class="chapter " data-level="2.3" data-path="103.html">
<a href="./103.html">
<i class="fa fa-check"></i>
<b>2.3.</b>
数的类型和四则运算
</a>
</li>
<li class="chapter " data-level="2.4" data-path="104.html">
<a href="./104.html">
<i class="fa fa-check"></i>
<b>2.4.</b>
啰嗦的除法
</a>
</li>
<li class="chapter " data-level="2.5" data-path="105.html">
<a href="./105.html">
<i class="fa fa-check"></i>
<b>2.5.</b>
开始真正编程
</a>
</li>
<li class="chapter " data-level="2.6" data-path="106.html">
<a href="./106.html">
<i class="fa fa-check"></i>
<b>2.6.</b>
初识永远强大的函数
</a>
</li>
<li class="chapter " data-level="2.7" data-path="107.html">
<a href="./107.html">
<i class="fa fa-check"></i>
<b>2.7.</b>
玩转字符串(1)：基本概念、字符转义、字符串连接、变量与字符串关系
</a>
</li>
<li class="chapter " data-level="2.8" data-path="108.html">
<a href="./108.html">
<i class="fa fa-check"></i>
<b>2.8.</b>
玩转字符串(2)
</a>
</li>
<li class="chapter " data-level="2.9" data-path="109.html">
<a href="./109.html">
<i class="fa fa-check"></i>
<b>2.9.</b>
玩转字符串(3)
</a>
</li>
<li class="chapter " data-level="2.10" data-path="110.html">
<a href="./110.html">
<i class="fa fa-check"></i>
<b>2.10.</b>
眼花缭乱的运算符
</a>
</li>
<li class="chapter " data-level="2.11" data-path="111.html">
<a href="./111.html">
<i class="fa fa-check"></i>
<b>2.11.</b>
从if开始语句的征程
</a>
</li>
<li class="chapter " data-level="2.12" data-path="112.html">
<a href="./112.html">
<i class="fa fa-check"></i>
<b>2.12.</b>
一个免费的实验室
</a>
</li>
<li class="chapter " data-level="2.13" data-path="113.html">
<a href="./113.html">
<i class="fa fa-check"></i>
<b>2.13.</b>
有容乃大的list(1)
</a>
</li>
<li class="chapter " data-level="2.14" data-path="114.html">
<a href="./114.html">
<i class="fa fa-check"></i>
<b>2.14.</b>
有容乃大的list(2)
</a>
</li>
<li class="chapter " data-level="2.15" data-path="115.html">
<a href="./115.html">
<i class="fa fa-check"></i>
<b>2.15.</b>
有容乃大的list(3)
</a>
</li>
<li class="chapter " data-level="2.16" data-path="116.html">
<a href="./116.html">
<i class="fa fa-check"></i>
<b>2.16.</b>
有容乃大的list(4)
</a>
</li>
<li class="chapter " data-level="2.17" data-path="117.html">
<a href="./117.html">
<i class="fa fa-check"></i>
<b>2.17.</b>
list和str比较
</a>
</li>
<li class="chapter " data-level="2.18" data-path="118.html">
<a href="./118.html">
<i class="fa fa-check"></i>
<b>2.18.</b>
画圈还不简单吗
</a>
</li>
<li class="chapter " data-level="2.19" data-path="119.html">
<a href="./119.html">
<i class="fa fa-check"></i>
<b>2.19.</b>
再深点，更懂list
</a>
</li>
<li class="chapter " data-level="2.20" data-path="120.html">
<a href="./120.html">
<i class="fa fa-check"></i>
<b>2.20.</b>
字典，你还记得吗？
</a>
</li>
<li class="chapter " data-level="2.21" data-path="121.html">
<a href="./121.html">
<i class="fa fa-check"></i>
<b>2.21.</b>
字典的操作方法
</a>
</li>
<li class="chapter " data-level="2.22" data-path="122.html">
<a href="./122.html">
<i class="fa fa-check"></i>
<b>2.22.</b>
有点简约的元组
</a>
</li>
<li class="chapter " data-level="2.23" data-path="123.html">
<a href="./123.html">
<i class="fa fa-check"></i>
<b>2.23.</b>
一二三,集合了
</a>
</li>
<li class="chapter " data-level="2.24" data-path="124.html">
<a href="./124.html">
<i class="fa fa-check"></i>
<b>2.24.</b>
集合的关系
</a>
</li>
<li class="chapter " data-level="2.25" data-path="125.html">
<a href="./125.html">
<i class="fa fa-check"></i>
<b>2.25.</b>
Python数据类型总结
</a>
</li>
<li class="chapter " data-level="2.26" data-path="126.html">
<a href="./126.html">
<i class="fa fa-check"></i>
<b>2.26.</b>
深入变量和引用对象
</a>
</li>
<li class="chapter " data-level="2.27" data-path="127.html">
<a href="./127.html">
<i class="fa fa-check"></i>
<b>2.27.</b>
赋值，简单也不简单
</a>
</li>
<li class="chapter " data-level="2.28" data-path="128.html">
<a href="./128.html">
<i class="fa fa-check"></i>
<b>2.28.</b>
坑爹的字符编码
</a>
</li>
<li class="chapter " data-level="2.29" data-path="129.html">
<a href="./129.html">
<i class="fa fa-check"></i>
<b>2.29.</b>
做一个小游戏
</a>
</li>
<li class="chapter " data-level="2.30" data-path="130.html">
<a href="./130.html">
<i class="fa fa-check"></i>
<b>2.30.</b>
不要红头文件(1): open, write, close
</a>
</li>
<li class="chapter " data-level="2.31" data-path="131.html">
<a href="./131.html">
<i class="fa fa-check"></i>
<b>2.31.</b>
不要红头文件(2): os.stat, closed, mode, read, readlines, readline
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3" data-path="index.html">
<a href="./index.html">
<i class="fa fa-check"></i>
<b>3.</b>
第二部分 穷千里目，上一层楼
</a>
<ul class="articles">
<li class="chapter active" data-level="3.1" data-path="201.html">
<a href="./201.html">
<i class="fa fa-check"></i>
<b>3.1.</b>
正规地说一句话
</a>
</li>
<li class="chapter " data-level="3.2" data-path="202.html">
<a href="./202.html">
<i class="fa fa-check"></i>
<b>3.2.</b>
print能干的事情
</a>
</li>
<li class="chapter " data-level="3.3" data-path="203.html">
<a href="./203.html">
<i class="fa fa-check"></i>
<b>3.3.</b>
从格式化表达式到方法
</a>
</li>
<li class="chapter " data-level="3.4" data-path="204.html">
<a href="./204.html">
<i class="fa fa-check"></i>
<b>3.4.</b>
复习if语句
</a>
</li>
<li class="chapter " data-level="3.5" data-path="205.html">
<a href="./205.html">
<i class="fa fa-check"></i>
<b>3.5.</b>
用while来循环
</a>
</li>
<li class="chapter " data-level="3.6" data-path="206.html">
<a href="./206.html">
<i class="fa fa-check"></i>
<b>3.6.</b>
难以想象的for
</a>
</li>
<li class="chapter " data-level="3.7" data-path="207.html">
<a href="./207.html">
<i class="fa fa-check"></i>
<b>3.7.</b>
关于循环的小伎俩
</a>
</li>
<li class="chapter " data-level="3.8" data-path="208.html">
<a href="./208.html">
<i class="fa fa-check"></i>
<b>3.8.</b>
让人欢喜让人忧的迭代
</a>
</li>
<li class="chapter " data-level="3.9" data-path="209.html">
<a href="./209.html">
<i class="fa fa-check"></i>
<b>3.9.</b>
大话题小函数(1)
</a>
</li>
<li class="chapter " data-level="3.10" data-path="210.html">
<a href="./210.html">
<i class="fa fa-check"></i>
<b>3.10.</b>
大话题小函数(2)
</a>
</li>
<li class="chapter " data-level="3.11" data-path="211.html">
<a href="./211.html">
<i class="fa fa-check"></i>
<b>3.11.</b>
python文档
</a>
</li>
<li class="chapter " data-level="3.12" data-path="212.html">
<a href="./212.html">
<i class="fa fa-check"></i>
<b>3.12.</b>
重回函数
</a>
</li>
<li class="chapter " data-level="3.13" data-path="213.html">
<a href="./213.html">
<i class="fa fa-check"></i>
<b>3.13.</b>
变量和参数
</a>
</li>
<li class="chapter " data-level="3.14" data-path="214.html">
<a href="./214.html">
<i class="fa fa-check"></i>
<b>3.14.</b>
总结参数的传递
</a>
</li>
<li class="chapter " data-level="3.15" data-path="215.html">
<a href="./215.html">
<i class="fa fa-check"></i>
<b>3.15.</b>
传说中的函数条规
</a>
</li>
<li class="chapter " data-level="3.16" data-path="216.html">
<a href="./216.html">
<i class="fa fa-check"></i>
<b>3.16.</b>
关于类的基本认识
</a>
</li>
<li class="chapter " data-level="3.17" data-path="217.html">
<a href="./217.html">
<i class="fa fa-check"></i>
<b>3.17.</b>
编写类之一创建实例
</a>
</li>
<li class="chapter " data-level="3.18" data-path="218.html">
<a href="./218.html">
<i class="fa fa-check"></i>
<b>3.18.</b>
编写类之二方法
</a>
</li>
<li class="chapter " data-level="3.19" data-path="219.html">
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<b>3.19.</b>
编写类之三子类
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<li class="chapter " data-level="3.20" data-path="220.html">
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<b>3.20.</b>
编写类之四再论继承
</a>
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<li class="chapter " data-level="3.21" data-path="221.html">
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<b>3.21.</b>
命名空间
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<li class="chapter " data-level="3.22" data-path="222.html">
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<b>3.22.</b>