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 Q]: [32, 25, 19, 33, 40, 47, 46, 31, 24, 45, 2, 21, 3, 10, 35, 43, 20, 27, 16, 48], target=52
[EX A]: [19, 33]

[EX Q]: [39, 41, 1, 42, 18, 21, 32, 40, 35, 45, 4, 43, 28, 8, 16, 17, 29, 26, 23, 22], target=51
[EX A]: [43, 8]

[EX Q]: [41, 28, 34, 1, 22, 18, 47, 32, 33, 3, 17, 49, 2, 16, 46, 5, 40, 42, 20, 29], target=68
[EX A]:
[22, 46]