python string与list互转

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python string与list互转

因为python的read和write方法的操作对象都是string.而操作二进制的时候会把string转换成list进行解析,解析后重新写入文件的时候,还得转换成string. >>> import string >>> str = 'abcde' >>> list = list(str) >>> list ['a', 'b', 'c', 'd', 'e']>>> str 'abcde' >>>…

python string/list转换

python的read.write方法的操作对象都是string.输入.输出和逻辑业务上很多时候都要用到string.list互转. 1.简单用法 import stringstr = 'abcde'list = list(str)print list# ['a', 'b', 'c', 'd', 'e']str_convert = ''.join(list)print str_convert# 'abcde' 2.使用split()将一个字符串分裂成多个字符串组成的列表. str2 = "abc…

python string module

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

python string

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…

c++ string 与 char 互转以及base64

c++ string 与 char 互转很简单如下 ] = {'A','B','C','D','E'}; printf("%s\n",bts); //char to string std::string strBts = bts; std::cout << strBts << std::endl; //string to char char *theBts = (char *)strBts.c_str(); printf("%s\n",th…

The internals of Python string interning

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 objects implementation

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…