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:
[21, 11, 26, 41, 8, 20, 24, 1, 30, 10, 45, 3, 34, 12, 42, 14, 37, 27, 35, 19], target=65
answer:
[41, 24]


question:
[32, 39, 17, 25, 9, 37, 12, 18, 7, 43, 38, 34, 5, 8, 1, 46, 24, 35, 15, 3], target=23
answer:
[18, 5]


question:
[34, 1, 31, 10, 35, 46, 36, 37, 7, 29, 48, 21, 17, 28, 6, 2, 11, 25, 30, 23], target=80
answer:

[34, 46]