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: [35, 12, 28, 26, 48, 23, 38, 31, 10, 9, 1, 25, 46, 14, 34, 3, 5, 43, 13, 18], target=79
Example Output: [48, 31]

Example Input: [7, 31, 32, 11, 46, 40, 15, 9, 13, 45, 48, 44, 33, 6, 5, 27, 17, 43, 18, 42], target=56
Example Output: [11, 45]

Example Input: [20, 46, 12, 22, 35, 6, 4, 39, 14, 26, 10, 34, 41, 31, 43, 25, 7, 9, 28, 42], target=10
Example Output:
[6, 4]