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]: [31, 24, 30, 42, 33, 26, 47, 29, 7, 16, 3, 39, 10, 6, 15, 49, 12, 19, 2, 18], target=59
[EX A]: [33, 26]

[EX Q]: [36, 18, 12, 48, 39, 30, 19, 1, 34, 21, 17, 49, 44, 37, 47, 6, 26, 2, 28, 23], target=29
[EX A]: [12, 17]

[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]