摘要: 1 x='nba FIFA' 2 print(x.upper()) 3 print(x.lower()) 4 print(x.swapcase()) 5 print() 6 7 x='abc' 8 print(x.center(10,'*')) 9 print(x.ljust(10,'*')) 10 阅读全文
posted @ 2023-03-22 11:36 魅力哥 阅读(17) 评论(0) 推荐(0)