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

[22, 47, 1, 4, 25, 36, 46, 20, 42, 29, 26, 38, 21, 6, 17, 33, 41, 35, 48, 18], target=55

[29, 26]