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

[EX Q]: [22, 9, 29, 20, 3, 21, 30, 35, 14, 42, 7, 6, 31, 10, 2, 27, 47, 38, 11, 41], target=87
[EX A]: []

[EX Q]: [23, 31, 4, 40, 8, 2, 1, 19, 5, 26, 11, 9, 30, 12, 16, 35, 27, 29, 48, 25], target=18
[EX A]: [2, 16]

[EX Q]: [29, 45, 46, 47, 44, 4, 21, 34, 13, 42, 5, 10, 12, 27, 11, 16, 23, 43, 33, 1], target=17
[EX A]:
[4, 13]