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: [41, 35, 1, 4, 23, 37, 21, 9, 8, 27, 49, 15, 14, 7, 25, 30, 29, 46, 11, 5], target=89
Example Output: []

Example Input: [17, 18, 21, 9, 32, 11, 16, 2, 15, 43, 42, 28, 7, 35, 49, 38, 19, 14, 46, 3], target=60
Example Output: [17, 43]

Example Input: [7, 14, 38, 46, 3, 39, 19, 21, 27, 29, 24, 45, 30, 35, 22, 43, 23, 2, 13, 18], target=86
Example Output: