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

[49, 32, 34, 6, 33, 31, 27, 25, 30, 12, 37, 26, 23, 45, 3, 38, 47, 22, 36, 5], target=79
[49, 30]

[22, 37, 32, 28, 7, 35, 19, 3, 16, 6, 12, 8, 41, 13, 4, 44, 33, 42, 10, 1], target=78
[37, 41]

[38, 40, 43, 11, 37, 42, 33, 2, 14, 36, 49, 26, 7, 19, 32, 45, 10, 39, 29, 20], target=90