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

[49, 33]