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
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Question: [36, 18, 12, 48, 39, 30, 19, 1, 34, 21, 17, 49, 44, 37, 47, 6, 26, 2, 28, 23], target=29

Answer: [12, 17]


Question: [14, 33, 21, 48, 9, 39, 23, 27, 18, 42, 41, 24, 10, 32, 19, 49, 46, 30, 11, 45], target=80

Answer: [39, 41]


Question: [7, 12, 4, 2, 39, 33, 23, 38, 14, 44, 16, 49, 27, 5, 31, 47, 43, 24, 41, 18], target=81

Answer:
[38, 43]