Definition: 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
Input: [13, 43, 25, 9, 27, 5, 39, 16, 49, 18, 17, 22, 10, 26, 1, 46, 41, 4, 32, 3], target=47
Output:
[25, 22]