Given the task definition and input, reply with output. 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

[42, 3, 36, 13, 28, 34, 19, 4, 47, 21, 40, 15, 22, 32, 43, 24, 9, 16, 23, 41], target=93