Demonstration await Control returned to the Caller, C#

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Threading;

namespace Rextester
{
    public class Program
    {
        private static async Task<bool> DoSomethingAsync()
        {
            Console.WriteLine("DoSomethingAsync Content - Init");
            
            await Task.Run(() => {
                for(int i = 0; i < 10; i++);
                Console.WriteLine("--- Looping ended ---");
                           });
            
            Console.WriteLine("DoSomethingAsync Content - End");
            return true;
        }
        
        public static void Main(string[] args)
        {
            //Your code goes here
            Console.WriteLine("Hello, world!");
            
            DoSomethingAsync();
            Console.WriteLine("It's Friday!");
        }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0,16 sec, absolute running time: 0,09 sec, cpu time: 0,09 sec, average memory usage: 13 Mb, average nr of threads: 3