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

[42, 22, 36, 49, 31, 33, 27, 24, 37, 26, 34, 46, 16, 29, 40, 41, 2, 39, 11, 17], target=88
[42, 46]

[38, 3, 32, 12, 26, 31, 28, 34, 8, 25, 17, 44, 35, 46, 23, 4, 14, 9, 36, 43], target=64
[38, 26]

[2, 17, 35, 34, 5, 41, 28, 40, 21, 13, 33, 43, 11, 27, 4, 23, 15, 24, 44, 8], target=100