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:
[26, 3, 9, 6, 40, 30, 31, 12, 18, 45, 16, 23, 14, 1, 21, 44, 35, 19, 2, 43], target=77

Ex Output:
[]


Ex Input:
[45, 6, 5, 17, 23, 29, 20, 46, 30, 37, 13, 35, 38, 40, 36, 10, 49, 15, 44, 24], target=30

Ex Output:
[17, 13]


Ex Input:
[29, 19, 1, 30, 28, 46, 15, 16, 23, 13, 42, 44, 32, 8, 40, 14, 6, 41, 3, 18], target=46

Ex Output:

[30, 16]