ДЗ: Shuffle

using System;

namespace Shuffle
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] numbers = new int[9];

            for (int i = 0; i < numbers.Length; i++)
                numbers[i] = i;

            PrintArray(numbers);
            Shuffle(numbers);
            PrintArray(numbers);
        }

        static void Shuffle(int[] array)
        {
            Random random = new Random();
            int tempValue;
            int tempIndex;

            for (int i = 0; i < array.Length - 1; i++)
            {
                tempIndex = random.Next(i + 1, array.Length);
                tempValue = array[tempIndex];
                array[tempIndex] = array[i];
                array[i] = tempValue;
            }
        }

        static void PrintArray(int[] array)
        {
            for (int i = 0; i < array.Length; i++)
                Console.Write($"{array[i]} ");

            Console.WriteLine();
        }
    }
}