Variable Scope Demo (C#)

/*
    In C# variables declared outside of any function/procedure/loop etc are
    available to the whole script.
    you should use the private keyword on all variables declared, as this makes them LOCAL to the
    entire script (Effectively global), but not available to other scripts in the project.

    They are READ/WRITE inside a function/procedure (unlike Python)

    Variables declared inside functions/procedures/loops are local to that code block.
    They are deleted when the code block is ended. (Similar to Python)
*/

public static string globalDemoVariable = "Hello World"; //global to the whole of this script

private static void CSharpScopeDemo()
{
    Console.WriteLine(globalDemoVariable);
    globalDemoVariable = "Goodbye"; //unlike python this variable can be changed here
    Console.WriteLine(globalDemoVariable);

    string localDemoVariable = "this is a local string variable"; // deleted as soon as procedure has completed
    Console.WriteLine(localDemoVariable);
}

public static void Main(string[] args)
{
    CSharpScopeDemo(); //call the procedure
    //the next line will cause an error because localDemoVariable does not exist any more
    //Console.WriteLine(localDemoVariable); //un-comment this line to see the error of your ways...
    Console.Write("Any key to quit");
    Console.ReadKey(); //stop console closing
}