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

[31, 18, 7, 36, 20, 3, 37, 22, 24, 12, 44, 32, 14, 25, 43, 1, 2, 9, 17, 15], target=54

[18, 36]