My python3 solution


  • 0
    Y
    class Solution:
        def twoSum(self, nums, target):
            """
            :type nums: List[int]
            :type target: int
            :rtype: List[int]
            """
            helper = {}
            for index, item in enumerate(nums):
                if item in helper:
                    return [helper[item], index]
                else:
                    helper[target-item] = index
    

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