For Loop Ex 5_(Wk_6) Feb 10-14

Exercise 5: Request 5 grades, compute and display average grade.
        static void Main(string[] args)
        {
            double totalGrade = 0;
            double average = 0;
            for (int gradenum = 1; gradenum < 6; gradenum++)
            {
                Console.Write("Enter grade for 5 subjects: ");
                double studentgrade = double.Parse(Console.ReadLine());

                totalGrade += studentgrade;
                average = totalGrade / 5;
            }
            Console.WriteLine("\nTotal Grade is: {0} Average Grade: {1}", totalGrade, average);
            Console.ReadLine();
        }