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, 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]: [43, 48, 13, 35, 22, 3, 24, 23, 47, 2, 33, 29, 30, 44, 34, 14, 5, 12, 40, 19], target=33
[EX A]: [3, 30]

[EX Q]: [17, 18, 21, 9, 32, 11, 16, 2, 15, 43, 42, 28, 7, 35, 49, 38, 19, 14, 46, 3], target=60
[EX A]:
[17, 43]