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:
[16, 9, 30, 36, 4, 45, 26, 33, 46, 29, 32, 37, 34, 41, 19, 24, 38, 49, 47, 20], target=52

Ex Output:
[16, 36]


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:
[4, 8, 13, 34, 41, 31, 33, 21, 7, 12, 49, 39, 35, 24, 9, 26, 48, 2, 11, 16], target=56

Ex Output:

[7, 49]