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: [23, 32, 14, 10, 1, 28, 41, 45, 11, 35, 39, 6, 15, 7, 37, 33, 42, 26, 4, 2], target=11

SOLUTION: [10, 1]

PROBLEM: [29, 45, 46, 47, 44, 4, 21, 34, 13, 42, 5, 10, 12, 27, 11, 16, 23, 43, 33, 1], target=17

SOLUTION: [4, 13]

PROBLEM: [11, 30, 12, 43, 28, 31, 17, 13, 46, 7, 34, 39, 2, 32, 27, 19, 22, 38, 14, 49], target=47

SOLUTION:
[30, 17]