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

[22, 11, 10, 30, 41, 24, 6, 1, 20, 8, 26, 28, 29, 27, 42, 33, 35, 49, 15, 5], target=72
[30, 42]

[15, 34, 45, 27, 36, 24, 31, 48, 3, 9, 42, 2, 16, 8, 30, 49, 14, 6, 26, 39], target=38
[36, 2]

[25, 44, 27, 49, 37, 33, 45, 15, 42, 6, 34, 31, 8, 14, 40, 23, 47, 32, 10, 9], target=92

[45, 47]