TASK 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
PROBLEM: [45, 13, 22, 47, 8, 10, 41, 24, 33, 12, 23, 25, 17, 34, 19, 38, 36, 26, 5, 16], target=87

SOLUTION: []

PROBLEM: [29, 19, 1, 30, 28, 46, 15, 16, 23, 13, 42, 44, 32, 8, 40, 14, 6, 41, 3, 18], target=46

SOLUTION: [30, 16]

PROBLEM: [32, 39, 17, 25, 9, 37, 12, 18, 7, 43, 38, 34, 5, 8, 1, 46, 24, 35, 15, 3], target=23

SOLUTION:
[18, 5]