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: [25, 1, 39, 40, 29, 49, 22, 43, 42, 38, 48, 2, 46, 15, 16, 12, 34, 3, 27, 30], target=55

Answer: [40, 15]


Question: [41, 5, 47, 7, 6, 45, 37, 31, 13, 40, 22, 17, 15, 21, 19, 24, 9, 23, 36, 29], target=84

Answer: [47, 37]


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]