static void Main(string[] args)
        {
            Console.WriteLine("Enter the length of yhe array");
            string  s    = Console.ReadLine();
            int     n    = int.Parse(s);
            MyArray test = new MyArray(n);

            test.Max_and_Min();
            test.Sum();
            test.Average_Value();
            test.Odd_Items();
            Console.ReadLine();
        }