You will be given a definition of a task first, then some input of the task.
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

[33, 20, 3, 10, 11, 28, 44, 26, 6, 31, 40, 46, 15, 47, 8, 48, 34, 30, 4, 29], target=27
Output:
[]