N ta elementli arr massivi berilgan. Har bir elementi 2 ga ko'paytirilgan yangi massivni qaytaring.
func multiplyByTwo(N int, arr []int) []int {
// ...
}
Input: N=5, arr=[1,2,3,4,5]
Output: [2, 4, 6, 8, 10]
Input: N=3, arr=[10,20,30]
Output: [20, 40, 60]
Input: N=4, arr=[7,3,9,1]
Output: [14, 6, 18, 2]
make([]int, N) massiv yarating (asl massiv o'zgarmasin).result[i] = arr[i] * 2.