Return two numbers that add up to a target sum.

not_twosum.py

from typing import List

def twoSum(nums: List[int], target: int) -> List[int]:
    answers = []
    for n in nums:
        answers.append(target - n)
    ans = set(answers) & set(nums)
    return ans


if __name__ == "__main__":
    import sys
    from random import randint
    # array = [randint(1,11) for i in range(10)]
    array = [2, 7, 11, 15]
    print(
        twoSum(nums=array, target=int(sys.argv[1]))
    )