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: [42, 41, 13, 46, 15, 28, 38, 29, 45, 35, 37, 9, 16, 18, 30, 14, 26, 7, 12, 48], target=20
Example Output: [13, 7]

Example Input: [33, 32, 13, 25, 2, 22, 41, 44, 47, 14, 31, 9, 27, 4, 18, 12, 15, 35, 46, 45], target=36
Example Output: [22, 14]

Example Input: [31, 30, 16, 37, 34, 1, 17, 21, 15, 23, 38, 20, 5, 3, 48, 49, 6, 25, 36, 19], target=44
Example Output:
[21, 23]