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class Solution(object):    def reverse(self, x):        """        :type x: int        :rtype: int        """        neg = False        res = 0        if x < 0:            x = -x            neg = True        while x != 0:            reminder = x % 10            x = x / 10            res = res * 10 + reminder        if neg == True:            res = -res        if abs(res) < 2147483648 and abs(x) < 2147483648:            return res        else:            return 0

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