while s[:1] == ' ': s=s[1:] while s[-1:] == ' ': s=s[:-1] return s
老哥,你的代码是真的牛,佛了佛了!
这是我看过最简洁的了,点赞
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大佬 你是真秀
def trim(s): while " " is s[0]: s = s[1:] while " " is s[-1]: s = s[:-1] return s
大佬
确实最简洁!
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高佬陈泽欣