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

Example Input: [46, 35, 1, 11, 45, 23, 26, 22, 37, 43, 18, 40, 4, 36, 39, 20, 16, 28, 5, 2], target=58
Example Output: [35, 23]

Example Input: [39, 23, 7, 28, 26, 41, 45, 31, 19, 22, 43, 14, 48, 44, 18, 5, 8, 40, 12, 37], target=78
Example Output:
[41, 37]