shownguo_py的博客

转载 Python练习数据结构笔记

#coding=utf-8#1. 已知字符串 a = "aAsmr3idd4bgs7Dlsf9eAF",要求如下#a = "aAsmr3idd4bgs7Dlsf9eAF"#1.1 请将a字符串的大写改为小写，小写改为大写。#a = "aAsmr3idd4bgs7Dlsf9eAF"print a.swapcase()#1.2 请将a字符串的数字取出，并输出成一个新的字符串。#a = "aAsmr3i...