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: [48, 37, 40, 31, 25, 44, 2, 5, 32, 16, 47, 49, 13, 42, 33, 38, 8, 22, 39, 3], target=71

[33, 38]