leetcode1

class Solution(object):
    def twoSum(self, nums, target):
        """
        :type nums: List[int]
        :type target: int
        :rtype: List[int]
        """
        d = {}
        for i,items in enumerate(nums):
            tmp = target - items
            for key,value in d.items():
                if value == tmp:
                    return [key, i]
            d[i] = items
        return None