Lần đầu tiên python

Python with two-sum leetcode

Testcase:

Result:

class Solution:
    def twoSum(self, nums: List[int], target: int) -> List[int]:
        _dict = {}
        for i in range(len(nums)):
            x = target - nums[i]
            if x not in _dict:
                _dict[nums[i]] = i
            else:
                return [i, _dict[x]]