using System;

using System.Threading;

using System.Threading.Tasks;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("STEP 1");

        asyncfunction();

        Console.WriteLine("STEP 4");

        CallerWithAsync();

    }

    static async void asyncfunction(){

        Console.WriteLine("STEP 2");

        await Task.Delay(7000);

        Console.WriteLine("STEP 3");

    }

    private async static void CallerWithAsync()

    {

        Console.WriteLine("inside CallerWithAsync");

​

        string result = await GreetingAsync("Stephanie");

        Console.WriteLine("inside CallerWithAsync after await");

        Console.WriteLine(result);

    }

​

    static Task<string> GreetingAsync(string name)

    {Console.WriteLine("inside GreetingAsync");

        return Task.Run<string>(() =>

        {

            return Greeting(name);

        });

    }

    static string Greeting(string name)

    {

        Console.WriteLine("inside Greeting");

        //Thread.Sleep(3000);

        return string.Format("Hello, {0}", name);

    }

}