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

[7, 23, 17, 43, 36, 24, 2, 4, 29, 37, 42, 3, 44, 5, 41, 26, 21, 10, 35, 6], target=91
[]

[43, 8, 9, 46, 29, 2, 37, 22, 35, 45, 32, 21, 33, 3, 30, 44, 10, 18, 42, 39], target=37
[8, 29]

[16, 42, 44, 30, 20, 19, 12, 48, 21, 34, 5, 4, 46, 49, 25, 8, 9, 35, 28, 17], target=90

[42, 48]

