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

Ex Input:
[21, 12, 17, 6, 1, 39, 49, 9, 25, 45, 11, 19, 26, 48, 5, 10, 44, 46, 43, 8], target=16

Ex Output:
[11, 5]


Ex Input:
[41, 5, 47, 7, 6, 45, 37, 31, 13, 40, 22, 17, 15, 21, 19, 24, 9, 23, 36, 29], target=84

Ex Output:
[47, 37]


Ex Input:
[44, 26, 23, 49, 1, 14, 45, 2, 27, 34, 20, 12, 16, 36, 3, 6, 21, 4, 35, 9], target=100

Ex Output: