嗯,学习其它语言没这样全练过,嘻嘻 //test.py 1 # -*- coding: UTF-8 -*- 2 3 str = "i am worker" 4 print str.capitalize() 5 print str.center(20) 6 print str.count(' ') 7 print str.count(' ', 0, 4) 8 str1 = "中国" 9 str1.decode('utf-8').encode('gb2312') 10…

http://www.laurentluce.com/posts/python-string-objects-implementation/ Python string objects implementation June 19, 2011 This article describes how string objects are managed by Python internally and how string search is done. PyStringObject structu…

String模块中的常量 >>> import string >>> string.digits ' >>> string.letters 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ' >>> string.lowercase 'abcdefghijklmnopqrstuvwxyz' >>> string.printable '0123456789abc…

string比较连接 >>> s1="python string" >>> len(s) 13 >>> s2=" python string2 " >>> s=s1+s2 >>> s 'python string python string2 ' >>> >>> cmp(s1,s2) 1 string 截取 >>> s1[0…

JUNE 28TH, 2014Tweet This article describes how Python string interning works in CPython 2.7.7. A few days ago, I had to explain to a colleague what the built-in function intern does. I gave him the following example: >>> s1 = 'foo!' >>>…

Python string replace   方法 方法1: >>> a='...fuck...the....world............' >>> b=a.replace('.',' ') >>> print b    fuck   the    world 方法2: >>> a='...fuck...the....world............' >>> b=string.replace(a,'.',…

原文链接:The internals of Python string interning 由于本人能力有限,如有翻译出错的,望指明. 这篇文章是讲Python string interning是如何工作的,代码基于CPython2.7.7这个版本. 前一段时间,我向同事解释了python的buil-in函数 intern背后到底做了什么.我给他看了下面这个例子: >>> s1 = 'foo!' >>> s2 = 'foo!' >>> s1 is s2…

Let's introduce a new string method, join: >>> nautical_directions = "\n".join(["fore", "aft", "starboard", "port"]) >>> print(nautical_directions) fore aft starboard port Also note thatj…

One particularly useful string method is format. The format method is used to construct strings by inserting values into template strings. Consider this example for generating log messages for a hypothetical web server. log_message = "IP address {} a…

Description The method strip() returns a copy of the string in which all chars have been stripped from the beginning and the end of the string (default whitespace characters). 在string中删掉strip(char)的所有char字符. Syntax str.strip([chars]) Parameters chars…