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Introduction
I have used Swift for windows 1.9 for debugging purpose. But you can use any Swift programming language compiler as per your availability.
func newarray(_ arra: [Int]) -> [Int] { var new_arra = arra if new_arra.first! > new_arra.last! { new_arra[1] = new_arra.first! new_arra[2] = new_arra.first! } else { new_arra[0] = new_arra.last! new_arra[1] = new_arra.last! } return new_arra } print(newarray([1, 4, 6])) print(newarray([2, 5, 9])) print(newarray([3, 8, 8]))