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]: [43, 9, 18, 2, 7, 24, 46, 45, 12, 36, 6, 27, 40, 38, 47, 33, 44, 16, 31, 8], target=98
[EX A]: []

[EX Q]: [41, 28, 34, 1, 22, 18, 47, 32, 33, 3, 17, 49, 2, 16, 46, 5, 40, 42, 20, 29], target=68
[EX A]: [22, 46]

[EX Q]: [31, 44, 1, 45, 5, 24, 19, 42, 20, 8, 37, 15, 43, 11, 26, 49, 33, 6, 12, 17], target=15
[EX A]: