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: [37, 6, 41, 27, 45, 25, 36, 5, 11, 21, 8, 43, 17, 35, 40, 2, 44, 4, 18, 24], target=35
Example Output: [27, 8]

Example Input: [31, 44, 1, 45, 5, 24, 19, 42, 20, 8, 37, 15, 43, 11, 26, 49, 33, 6, 12, 17], target=15
Example Output: []

Example Input: [12, 3, 21, 9, 23, 16, 13, 28, 4, 44, 43, 35, 22, 7, 14, 29, 19, 48, 27, 6], target=48
Example Output:
[4, 44]