leetcode 7-> Reverse Integer(32-bit signed integer)

class Solution(object):
    def reverse(self, x):
        """
        :type x: int
        :rtype: int
        """
        p=abs(x)
        rev=int(str(p)[::-])
        if(x<):
            if((-rev)<pow(-,)):
                return
            else:
                return -(rev)
        else:
            if(rev>(pow(,)-)):
                return
            else:
                return rev