instruction:
You are given a list of integers and an integer target, return a list of a pair of numbers in any order such that they add up to target. If there is no such pair of numbers, then return an empty list
question:
[11, 30, 12, 43, 28, 31, 17, 13, 46, 7, 34, 39, 2, 32, 27, 19, 22, 38, 14, 49], target=47
answer:
[30, 17]


question:
[48, 43, 27, 34, 41, 38, 17, 8, 4, 14, 49, 1, 15, 20, 24, 33, 19, 45, 18, 47], target=58
answer:
[41, 17]


question:
[11, 24, 23, 13, 6, 43, 8, 48, 28, 5, 4, 16, 49, 34, 27, 38, 47, 40, 37, 41], target=29
answer:

[23, 6]


