Definition: 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
Input: [19, 4, 24, 14, 6, 18, 42, 5, 47, 16, 8, 28, 30, 32, 49, 3, 35, 9, 33, 27], target=19
Output:
[14, 5]