def is_palindrome(n): s = str(n) for i in range(len(s)): if s[i] != s[len(s)-i-1]: break return n
你这为啥四位以上会错
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wwdx0001
def is_palindrome(n): s = str(n) for i in range(len(s)): if s[i] != s[len(s)-i-1]: break return n