twosum.py

class Solution(object):
    def twoSum(self, nums, target):
        """
        :type nums: List[int]
        :type target: int
        :rtype: List[int]
        """
        for cx, x in enumerate(nums):
            for cy, y in enumerate(nums):
                if x + y == target and cx != cy:
                    return [cx, cy]