def is_palindrome(n): return str(n)==str(n[::-1]) and len(n)>1
def is_palindrome(n): return str(n) == str(n)[::-1] and len(str(n)) > 1
len(n)>1是什么意思?
应该是楼上的len(str(n))>1,为了在回数中去除1到9.
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super玛丽向前冲
def is_palindrome(n): return str(n)==str(n[::-1]) and len(n)>1