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: [4, 18, 3, 8, 29, 11, 39, 30, 24, 1, 40, 17, 21, 2, 32, 49, 15, 43, 16, 10], target=25
Example Output: [24, 1]

Example Input: [12, 21, 30, 29, 45, 15, 36, 16, 13, 39, 37, 6, 31, 24, 17, 14, 33, 27, 8, 4], target=34
Example Output: [21, 13]

Example Input: [20, 5, 36, 24, 16, 27, 7, 18, 49, 11, 41, 29, 39, 37, 2, 6, 43, 40, 8, 3], target=38
Example Output:
[20, 18]