using System;

public class Program

{

    public static void Main()

    {

        //Creating  arrays

           double[] Grades = {6.8,6.2,3,1,4.5};

                    //Adding elements to arrays?

          //You can't. Once created, the capacity cannot be affected. 

          //However, you can edit the contents of the array (aka change the values).

//Getting the size of my array?

           //Grades.Length;

//Indexing arrays (I'll obtain the second element)

          //Grades[1]; //This is pronounced "Grades sub two"

//Editing array contents (Changing the 3rd element to 5)

         Grades[2] = 5;

//iterating and printing all array contents

    for(int i = 0; i < Grades.Length ; i++){

              Console.WriteLine(Grades[i]);

          }

//some magic with arrays

          for(int i = Grades.Length-1; i >= 0 ; i--){

            //duplicate the value of each item

            Grades[i] = Grades[i]*2;

          }

         foreach (double item in Grades){

             Console.WriteLine(item);

         }

        int count = 0;

        while(count < Grades.Length){

​

        }

    }

}            

​