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:
[9, 33, 7, 8, 2, 1, 10, 26, 15, 23, 22, 43, 36, 29, 42, 19, 37, 47, 13, 49], target=77

Ex Output:
[]


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:
[45, 13, 22, 47, 8, 10, 41, 24, 33, 12, 23, 25, 17, 34, 19, 38, 36, 26, 5, 16], target=87

Ex Output: