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]: [23, 32, 14, 10, 1, 28, 41, 45, 11, 35, 39, 6, 15, 7, 37, 33, 42, 26, 4, 2], target=11
[EX A]: [10, 1]

[EX Q]: [9, 27, 40, 16, 4, 10, 38, 1, 45, 23, 25, 31, 14, 21, 34, 36, 37, 28, 22, 33], target=18
[EX A]: [4, 14]

[EX Q]: [30, 23, 17, 7, 48, 3, 47, 46, 6, 33, 14, 36, 44, 41, 35, 40, 5, 15, 49, 22], target=31
[EX A]:
[17, 14]