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:
[8, 46, 34, 18, 44, 31, 41, 40, 11, 24, 26, 19, 47, 27, 13, 9, 7, 36, 30, 20], target=51

Ex Output:
[40, 11]


Ex Input:
[38, 44, 45, 4, 43, 40, 41, 42, 48, 10, 32, 3, 47, 20, 17, 28, 31, 34, 27, 2], target=21

Ex Output:
[4, 17]


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]