Python string manipulation

#!/bin/python#-*- coding=utf-8 -*-import stringprint ("Hello,world") str1 =  "        python is dynamic language         "#打印str1原型print (STR1) #打印去掉两边空格print (Str1.strip ()) #字符串大小写转换str2 = "Abcd efg,this is a test" Print (Str2.lower ())   #小写print (Str2.upper ())   #大写print (Str2.swapcase ())   #大小写互换print (Str2.capitalize ())  # Initial Capital Print (String.capwords (str2))   #将字符串用空格区分, and then capitalize the first letter print (Str2.title ())   #同string. Capwords () print ( Str2.find ("A", 2,15))   #返回 "A" where the sequence number, if not found return -1print (Str2.rfind ("a"))   #从右边开始寻找print (Str2.rindex ("a", 2,18))   #指定范围, no error was found print (Str2.count ("E"))   #统计寻找到字符的个数print (Str2.replace ("A", "Y") print (Str1.strip (). Replace (" ", "="))   #去掉两边空格print (Str1.lstrip (). Replace (" ", "=")   #去掉左边空格print (Str1.rstrip (). Replace (" ", "="))   #去掉右边空格str3  =  "123abcEFG" str4 =      "str5 = " "Print ( Str3.startswith ("AB"))   #是否以 "A", returns True or Falseprint (Str3.isalnum ())   #是否全为数字或字母print (Str5.isdigit ()) #是否全为数字print ( Str3.isalpha ())   #是否全为字母print (Str4.isspace ())   #是否全为空白字符print (Str3.islower ())   #是否全为小写print ( Str3.isupper ())   #是否全为大写print (Str3.istitle ())   #是否为首字母大写运行结果:hello,world        python is a dynamic language        python is a dynamic language abcd efg,this is a  TESTABCD EFG,THIS IS A TESTABCD EFG,THIS IS A TESTABCD EFG, This is a testabcd efg,this is a testabcd efg,this is a  test-117172ybcd efg,this is y testpython is dynamic language Python is a dynamic language ============== Python is a dynamic language falsetruefalsefalsetruefalsefalsefalse

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Python string manipulation