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class Solution(object):    def isPalindrome(self, x):        """        :type x: int        :rtype: bool        """        front = x        reminder = 0        result = 0         if front < 0:            return False        while x != 0:            reminder = x % 10            x = x / 10            result = result * 10 + reminder        if result == front:            return True        else:            return False

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