C# Exercise: 9 Average

using System; // Importing the System namespace to use Console functionalities

// Main class of the program
class Program
{
    // Main method where the program execution begins
    static void Main()
    {
        // Declaring four variables to store the numbers entered by the user
        double num1, num2, num3, num4;

        // Asking the user to enter the first number and reading the input
        Console.Write("Enter the first number: ");
        num1 = Convert.ToDouble(Console.ReadLine());

        // Asking the user to enter the second number and reading the input
        Console.Write("Enter the second number: ");
        num2 = Convert.ToDouble(Console.ReadLine());

        // Asking the user to enter the third number and reading the input
        Console.Write("Enter the third number: ");
        num3 = Convert.ToDouble(Console.ReadLine());

        // Asking the user to enter the fourth number and reading the input
        Console.Write("Enter the fourth number: ");
        num4 = Convert.ToDouble(Console.ReadLine());

        // Calculating the average of the four numbers
        double average = (num1 + num2 + num3 + num4) / 4;

        // Printing the average to the screen
        Console.WriteLine("The average of the four numbers is: " + average);
    }
}