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
--------
Question: [39, 17, 7, 41, 16, 40, 25, 18, 37, 38, 12, 42, 3, 26, 46, 6, 47, 30, 31, 48], target=35

Answer: [17, 18]


Question: [38, 16, 6, 20, 32, 28, 26, 40, 3, 36, 15, 29, 30, 19, 47, 10, 23, 39, 4, 25], target=67

Answer: [38, 29]


Question: [28, 32, 16, 19, 36, 8, 13, 38, 25, 1, 15, 42, 29, 49, 39, 31, 20, 35, 30, 37], target=43

Answer:
[28, 15]