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

Example Input: [1, 15, 40, 9, 48, 19, 39, 38, 2, 42, 14, 29, 27, 30, 20, 41, 32, 47, 35, 33], target=72
Example Output: [42, 30]

Example Input: [38, 16, 6, 20, 32, 28, 26, 40, 3, 36, 15, 29, 30, 19, 47, 10, 23, 39, 4, 25], target=67
Example Output: [38, 29]

Example Input: [9, 33, 7, 8, 2, 1, 10, 26, 15, 23, 22, 43, 36, 29, 42, 19, 37, 47, 13, 49], target=77
Example Output: