Reverse Integer

[smallbaby]

https://leetcode.com/problems/reverse-integer/description/

[smallbaby]

class Solution(object):
    def reverse(self, x):
        """
        :type x: int
        :rtype: int
        """
        is_negative = False
        if x != abs(x):
            is_negative = True
        res = 0
        x = abs(x)
        while x != 0:
            res = res*10 + x%10
            x = x/10
    
        if res > 2**31-1:
            return 0
            
        if is_negative:
            res = - res
        return res```