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

Q: [8, 46, 34, 18, 44, 31, 41, 40, 11, 24, 26, 19, 47, 27, 13, 9, 7, 36, 30, 20], target=51

A: [40, 11]
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Q: [11, 47, 22, 28, 19, 13, 25, 9, 29, 26, 3, 27, 18, 12, 2, 30, 38, 41, 24, 6], target=91

A: []
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Q: [36, 45, 2, 14, 44, 41, 4, 18, 15, 17, 46, 30, 29, 6, 11, 48, 40, 43, 25, 27], target=56

A:
[41, 15]
****