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: [41, 14, 21, 26, 12, 23, 39, 40, 16, 34, 17, 9, 25, 42, 15, 43, 1, 8, 4, 49], target=65

SOLUTION: [26, 39]

PROBLEM: [6, 1, 31, 43, 36, 5, 18, 30, 2, 41, 34, 15, 40, 4, 10, 13, 48, 49, 12, 38], target=26

SOLUTION: []

PROBLEM: [27, 28, 14, 30, 25, 34, 33, 17, 43, 39, 4, 26, 42, 20, 1, 19, 10, 8, 6, 7], target=48

SOLUTION:
[14, 34]