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

[26, 42, 1, 46, 15, 11, 23, 18, 4, 25, 39, 49, 30, 47, 13, 9, 29, 19, 2, 35], target=59
[46, 13]

[41, 35, 1, 4, 23, 37, 21, 9, 8, 27, 49, 15, 14, 7, 25, 30, 29, 46, 11, 5], target=89
[]

[11, 47, 22, 28, 19, 13, 25, 9, 29, 26, 3, 27, 18, 12, 2, 30, 38, 41, 24, 6], target=91