Python3 代码

class Solution(object):
    def findNumbersWithSum(self, nums, target):
        """
        :type nums: List[int]
        :type target: int
        :rtype: List[int]
        """
        l = []
        r = []
        for x in nums:
            if target - x in l: 
                r.append(target - x)
                r.append(x)
            else:
                l.append(x)

        return r