Code Integrity prove safety offer_ integer power values _

Integer power value

# -*- coding:utf-8 -*-
class Solution:
    def Power(self, base, exponent):
        # write code here
        if base==0 and exponent==0:
            return 0
        if base==0:
            return 0
        if exponent==0:
            return 1
        else:
            res = 1
            for i in range(abs(exponent)):
                res = res * base
            if exponent > 0:
                return res
            else:
                return 1.0/res