<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[huaping100的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/huaping100</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; huaping100]]></copyright><item><title><![CDATA[python王者归来—学习笔记（20）]]></title><link>https://blog.youkuaiyun.com/huaping100/article/details/114938048</link><guid>https://blog.youkuaiyun.com/huaping100/article/details/114938048</guid><author>huaping100</author><pubDate>Fri, 19 Mar 2021 12:36:54 +0800</pubDate><description><![CDATA[继续第十六章 正则表达式

一、正则表达式特殊字符。我们知道\d代表的是数字字符，也就是从0-9的阿拉伯数字，如果使用管道|的观念，\d相当于是下列正则表达式：(0|1|2|3|4|5|6|7|8|9)。正则表达式的特殊字符说明如下：




import re

msg = 'John, Johnson, Johnnason and Johnnathan will attend my party tonight.'
pattern = '\w+' #不限长度的单词
txt = re.findall(pat]]></description><category></category></item><item><title><![CDATA[python王者归来—学习笔记（19）]]></title><link>https://blog.youkuaiyun.com/huaping100/article/details/114916750</link><guid>https://blog.youkuaiyun.com/huaping100/article/details/114916750</guid><author>huaping100</author><pubDate>Wed, 17 Mar 2021 16:58:47 +0800</pubDate><description><![CDATA[第十六章 正则表达式
search与findall方法、大括号重复、小括号分组、使用管道、使用多个分组管道、使用?号*号+号查找、忽略大小写查找、贪婪与非贪婪查找]]></description><category></category></item><item><title><![CDATA[python王者归来—学习笔记（18）]]></title><link>https://blog.youkuaiyun.com/huaping100/article/details/114883995</link><guid>https://blog.youkuaiyun.com/huaping100/article/details/114883995</guid><author>huaping100</author><pubDate>Tue, 16 Mar 2021 17:32:39 +0800</pubDate><description><![CDATA[第十五章 程序错误与异常处理

程序异常及处理语句、多组异常处理程序、抛出异常和Traceback字符串、finally语句、assert断言、日志模块logging]]></description><category></category></item><item><title><![CDATA[python王者归来—学习笔记（17）]]></title><link>https://blog.youkuaiyun.com/huaping100/article/details/114756525</link><guid>https://blog.youkuaiyun.com/huaping100/article/details/114756525</guid><author>huaping100</author><pubDate>Sun, 14 Mar 2021 16:48:37 +0800</pubDate><description><![CDATA[第十四章 文件的读取与写入

os和os.path模块、文件读取、文件写入、shutil模块、文件压缩解压缩、字符编码、剪贴板功能]]></description><category></category></item><item><title><![CDATA[python王者归来—学习笔记（16）]]></title><link>https://blog.youkuaiyun.com/huaping100/article/details/114700610</link><guid>https://blog.youkuaiyun.com/huaping100/article/details/114700610</guid><author>huaping100</author><pubDate>Sat, 13 Mar 2021 18:16:44 +0800</pubDate><description><![CDATA[第十三章 设计与应用模块

自建函数模块并导入、自建类模块并导入、random模块、time模块、sys模块、keyword模块、datetime模块]]></description><category></category></item><item><title><![CDATA[python王者归来—学习笔记（15）]]></title><link>https://blog.youkuaiyun.com/huaping100/article/details/114690055</link><guid>https://blog.youkuaiyun.com/huaping100/article/details/114690055</guid><author>huaping100</author><pubDate>Fri, 12 Mar 2021 16:45:51 +0800</pubDate><description><![CDATA[继续第十二章 类与对象

多态及多重继承、type和instance、特殊属性__doc__和__name__、特殊方法__str()__、__repr()__、__iter()__]]></description><category></category></item><item><title><![CDATA[python王者归来—学习笔记（14）]]></title><link>https://blog.youkuaiyun.com/huaping100/article/details/114679594</link><guid>https://blog.youkuaiyun.com/huaping100/article/details/114679594</guid><author>huaping100</author><pubDate>Fri, 12 Mar 2021 10:44:45 +0800</pubDate><description><![CDATA[第十二章 类-面向对象程序设计

类定义与初始化、类的私有属性和方法、类的继承]]></description><category></category></item><item><title><![CDATA[python王者归来—学习笔记（13）]]></title><link>https://blog.youkuaiyun.com/huaping100/article/details/114646418</link><guid>https://blog.youkuaiyun.com/huaping100/article/details/114646418</guid><author>huaping100</author><pubDate>Thu, 11 Mar 2021 17:03:57 +0800</pubDate><description><![CDATA[第十一章 函数

函数定义、函数参数、函数返回值、递归调用、局部变量和全局变量、lambda表达式与fileter()及map()函数、pass]]></description><category></category></item><item><title><![CDATA[python王者归来—学习笔记（12）]]></title><link>https://blog.youkuaiyun.com/huaping100/article/details/114636326</link><guid>https://blog.youkuaiyun.com/huaping100/article/details/114636326</guid><author>huaping100</author><pubDate>Wed, 10 Mar 2021 17:42:23 +0800</pubDate><description><![CDATA[第十章 集合

集合定义与set函数、集合操作-交集-并集-差集等、适用集合方法、适用集合函数-max-min-sum-sorted等、不可变集合]]></description><category></category></item><item><title><![CDATA[python王者归来—学习笔记（11）]]></title><link>https://blog.youkuaiyun.com/huaping100/article/details/114590181</link><guid>https://blog.youkuaiyun.com/huaping100/article/details/114590181</guid><author>huaping100</author><pubDate>Tue, 09 Mar 2021 22:03:35 +0800</pubDate><description><![CDATA[第九章 字典

字典定义与增删改查、字典元素遍历、字典列表、列表字典、嵌套字典、字典常用函数和方法-len-fromkeys-get-setdefault-pop]]></description><category></category></item><item><title><![CDATA[python王者归来—学习笔记（10）]]></title><link>https://blog.youkuaiyun.com/huaping100/article/details/114586254</link><guid>https://blog.youkuaiyun.com/huaping100/article/details/114586254</guid><author>huaping100</author><pubDate>Tue, 09 Mar 2021 17:00:24 +0800</pubDate><description><![CDATA[第八章 元组

元组的定义与元素读取、元组切片、元组和列表转换、元组和enumerate对象、zip函数打包成元组]]></description><category></category></item><item><title><![CDATA[python王者归来—学习笔记（9）]]></title><link>https://blog.youkuaiyun.com/huaping100/article/details/114577132</link><guid>https://blog.youkuaiyun.com/huaping100/article/details/114577132</guid><author>huaping100</author><pubDate>Tue, 09 Mar 2021 11:45:14 +0800</pubDate><description><![CDATA[继续第七章循环语句
while循环、pass、enumerate对象循环解析]]></description><category></category></item><item><title><![CDATA[python王者归来—学习笔记（8）]]></title><link>https://blog.youkuaiyun.com/huaping100/article/details/114532473</link><guid>https://blog.youkuaiyun.com/huaping100/article/details/114532473</guid><author>huaping100</author><pubDate>Mon, 08 Mar 2021 17:27:41 +0800</pubDate><description><![CDATA[第七章 循环语句

for循环、range函数、range在快速生成列表的应用、嵌套循环、break、continue、for...else]]></description><category></category></item><item><title><![CDATA[python王者归来—学习笔记（7）]]></title><link>https://blog.youkuaiyun.com/huaping100/article/details/114372153</link><guid>https://blog.youkuaiyun.com/huaping100/article/details/114372153</guid><author>huaping100</author><pubDate>Thu, 04 Mar 2021 18:35:21 +0800</pubDate><description><![CDATA[继续第六章 列表

列表常用方法-append-insert-pop-reverse-sort-sorted-index-join-extend、列表深拷贝浅拷贝、不可变列表字符串与普通列表比较、(not) in、is (not)]]></description><category></category></item><item><title><![CDATA[Python中列表(list)、元组(tuple)、字典(dict)、集合(set)比较之我见]]></title><link>https://blog.youkuaiyun.com/huaping100/article/details/114371033</link><guid>https://blog.youkuaiyun.com/huaping100/article/details/114371033</guid><author>huaping100</author><pubDate>Thu, 04 Mar 2021 16:36:27 +0800</pubDate><description><![CDATA[1、列表(list)是Python的一种可以更改内容的数据类型，它是由一系列元素所组成的序列。在其他程序语言，相类似的功能是称数组(array)。不过，Python的列表功能除了可以存储相同数据类型，例如，整数、浮点数、字符串，也可以存储不同数据类型，例如，列表内同时含有整数、浮点数和字符串。甚至一个列表也可以包含其他列表、元组、字典、集合。列表内的每一个数据称元素，这些元素放在中括号[ ]内，彼此用逗号“,”隔开，语法格式为：

name_list = [元素1, ..., 元素n]     ...]]></description><category></category></item><item><title><![CDATA[python王者归来—学习笔记（6）]]></title><link>https://blog.youkuaiyun.com/huaping100/article/details/114364106</link><guid>https://blog.youkuaiyun.com/huaping100/article/details/114364106</guid><author>huaping100</author><pubDate>Thu, 04 Mar 2021 12:30:59 +0800</pubDate><description><![CDATA[第六章 列表

字符串操作常用方法-lower-upper-titile-rstrip-lstrip-strip、列表定义、索引读取、列表切片区间、统计函数、列表相加、列表删除]]></description><category></category></item><item><title><![CDATA[python王者归来—学习笔记（5）]]></title><link>https://blog.youkuaiyun.com/huaping100/article/details/114322799</link><guid>https://blog.youkuaiyun.com/huaping100/article/details/114322799</guid><author>huaping100</author><pubDate>Wed, 03 Mar 2021 17:20:13 +0800</pubDate><description><![CDATA[第五章程序的流程控制使用if语句

关系运算符和逻辑运算符、if、if...else、if...elif...else、嵌套if、None]]></description><category></category></item><item><title><![CDATA[python王者归来—学习笔记（4）]]></title><link>https://blog.youkuaiyun.com/huaping100/article/details/114238991</link><guid>https://blog.youkuaiyun.com/huaping100/article/details/114238991</guid><author>huaping100</author><pubDate>Wed, 03 Mar 2021 16:25:08 +0800</pubDate><description><![CDATA[第四章 基本输入与输出

输出函数output、格式化输出、字符串增强版格式化输出、文件函数open、输入函数input]]></description><category></category></item><item><title><![CDATA[python王者归来—学习笔记（3）]]></title><link>https://blog.youkuaiyun.com/huaping100/article/details/114189425</link><guid>https://blog.youkuaiyun.com/huaping100/article/details/114189425</guid><author>huaping100</author><pubDate>Sat, 27 Feb 2021 21:06:36 +0800</pubDate><description><![CDATA[第三章 基本数据类型

基本数据类型、整数浮点数转换、进制数转换、常用数值计算函数-abs-power-round、字符串定义及常用操作、转义字符、str函数、chr和ord函数]]></description><category></category></item><item><title><![CDATA[python王者归来—学习笔记（2）]]></title><link>https://blog.youkuaiyun.com/huaping100/article/details/114181472</link><guid>https://blog.youkuaiyun.com/huaping100/article/details/114181472</guid><author>huaping100</author><pubDate>Sat, 27 Feb 2021 18:13:43 +0800</pubDate><description><![CDATA[第二章 变量与基本数学运算

变量命名、数学运算符-加(+)-减(-)-乘(×)-除(/)-取余(mod)-整除(//)-次方(**)、多重变量赋值、变量删除、长语句分行]]></description><category></category></item></channel></rss>