剑指Offer 12. 数值的整数次方 （其他）

# -*- coding:utf-8 -*-
class Solution:
    def Power(self, base, exponent):
        # write code here
        if base == 0.0:
            return 0
        flag = 0
        if exponent < 0:
            flag = 1
            exponent = -exponent
        res = 1
        for i in range(exponent):
            res *= base
        if flag:
            res = 1.0/res
        return res

if __name__ == ‘__main__‘:
    result = Solution().Power(2,-3)
    print(result)