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: [2, 17, 35, 34, 5, 41, 28, 40, 21, 13, 33, 43, 11, 27, 4, 23, 15, 24, 44, 8], target=100
Example Output: []

Example Input: [37, 42, 45, 12, 29, 14, 35, 41, 16, 13, 40, 30, 9, 10, 34, 18, 3, 48, 25, 20], target=91
Example Output: []

Example Input: [32, 25, 19, 33, 40, 47, 46, 31, 24, 45, 2, 21, 3, 10, 35, 43, 20, 27, 16, 48], target=52
Example Output:
[19, 33]