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]: [35, 38, 44, 37, 28, 18, 9, 6, 42, 7, 15, 45, 43, 24, 22, 21, 23, 2, 39, 19], target=58
[EX A]: [15, 43]

[EX Q]: [34, 25, 36, 40, 21, 2, 12, 32, 16, 13, 18, 17, 28, 1, 33, 26, 38, 4, 37, 49], target=82
[EX A]: [33, 49]

[EX Q]: [42, 29, 12, 38, 31, 17, 15, 1, 14, 23, 8, 5, 20, 34, 21, 47, 4, 49, 24, 19], target=30
[EX A]:
[29, 1]