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

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


[Q]: [33, 13, 6, 40, 23, 3, 49, 10, 30, 8, 31, 38, 15, 5, 20, 9, 16, 19, 45, 12], target=25
[A]: [10, 15]


[Q]: [7, 23, 17, 43, 36, 24, 2, 4, 29, 37, 42, 3, 44, 5, 41, 26, 21, 10, 35, 6], target=91
[A]: