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:
[30, 4, 39, 18, 25, 36, 43, 22, 13, 23, 8, 19, 49, 3, 27, 35, 28, 1, 20, 37], target=27

Ex Output:
[4, 23]


Ex Input:
[19, 15, 45, 13, 36, 31, 34, 14, 8, 6, 35, 9, 38, 5, 18, 21, 3, 28, 4, 32], target=87

Ex Output:
[]


Ex Input:
[17, 30, 8, 1, 12, 26, 35, 3, 37, 39, 38, 11, 14, 16, 6, 40, 25, 19, 42, 4], target=77

Ex Output:

[39, 38]