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: [31, 29, 8, 22, 7, 2, 48, 35, 12, 13, 16, 34, 17, 40, 1, 45, 43, 39, 20, 26], target=39
Example Output: [31, 8]

Example Input: [4, 49, 44, 23, 41, 21, 38, 13, 28, 25, 12, 18, 39, 43, 24, 16, 3, 26, 14, 1], target=79
Example Output: [41, 38]

Example Input: [42, 3, 48, 31, 46, 24, 18, 25, 36, 43, 11, 22, 12, 37, 49, 44, 38, 2, 13, 23], target=76
Example Output: