Y3O1 Paralel programlama

BasicLogWriter.cs

using System;
using System.IO;
using System.Threading;

namespace LogWriter
{
    class Program
    {
        static void Main(string[] args)
        {
            string filePath = @$"{Path.GetTempPath()}\examplelog.txt";     
            if (!File.Exists(filePath))
            {
                File.Create(filePath);
            }
            for (int i = 1000; i > 0; i--)
            {
                string message = $"Count down: {i}";
                File.AppendAllText(filePath, $"{message}\n");
                Console.WriteLine("Log added '{0}'", message);
                Thread.Sleep(10);
            }
            Console.ReadKey();
        }

    }
}