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

Ex Input:
[28, 35, 45, 4, 29, 40, 33, 44, 22, 38, 36, 37, 8, 27, 1, 34, 23, 10, 2, 3], target=36

Ex Output:
[28, 8]

Ex Input:
[32, 13, 19, 29, 34, 21, 46, 45, 20, 35, 28, 27, 39, 14, 3, 26, 41, 42, 18, 25], target=68

Ex Output:
[29, 39]

Ex Input:
[11, 8, 15, 48, 5, 42, 10, 29, 40, 45, 2, 21, 23, 33, 20, 44, 37, 1, 24, 35], target=61

Ex Output:
[40, 21]