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一只小菜鸡

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无所谓ovo

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def is_palindrome(n):

    if 0<n<10:

        return True

    elif 10<=n<=99:

        if n//10==n%10:

            return True

        else :

            return False

    elif 100<=n<=999:

        if n//100==n%10:

            return True

        else :

            return False

output=filter(is_palindrome,range(1,1000))

print(list(output))


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