摘要: str: s = 'oldboY0's1 = s.capitalize() #首字母大写print(s1)输出:Oldboy0 s2 = s.upper() #全部大写print(s2)输出:OLDBOY0 s3 = s.lower() #全部小写print(s3)输出:oldboy0 s4 = s 阅读全文
posted @ 2018-04-09 13:48 zhangliang666 阅读(211) 评论(0) 推荐(0)