主函数定义

class Solution(object):
    def twoSum(self, nums, target):
        if len(nums) <= 1:
            return False
        buff_dict = {}
        for i in range(len(nums)):
            if nums[i] in buff_dict:
                return [buff_dict[nums[i]], i]
            else:
                buff_dict[target - nums[i]] = i
                
<!--more-->
"""
def main():
    nums = [2, 7, 11, 15]
    target = 9
    s = Solution()
    print(s.twoSum(nums, target))
"""
if __name__ == "__main__":
    nums = [2, 7, 11, 15]
    target = 9
    s = Solution()
    print(s.twoSum(nums, target))