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

[12, 49, 8, 37, 46, 10, 34, 32, 28, 3, 36, 25, 48, 38, 33, 45, 4, 2, 21, 43], target=64
[28, 36]

[1, 15, 40, 9, 48, 19, 39, 38, 2, 42, 14, 29, 27, 30, 20, 41, 32, 47, 35, 33], target=72
[42, 30]

[22, 21, 11, 10, 9, 29, 8, 45, 36, 18, 4, 3, 26, 16, 30, 34, 44, 12, 15, 39], target=24

[21, 3]

