Task1

using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Net.NetworkInformation;

namespace ConsoleApp1
{
    class Program
    {
        public static double PingTimeAverage(string host, int echoNum)
        {
            long totalTime = 0;
            int timeout = 10000;
            Ping pingSender = new Ping();

            for (int i = 0; i < echoNum; i++)
            {
                PingReply reply = pingSender.Send(host, timeout);
                if (reply.Status == IPStatus.Success)
                {
                    Console.WriteLine("Ping number "+ (i+1) + " - " + DateTime.Now + " - Success! RTT: {0}", reply.RoundtripTime.ToString() + "ms");
                    totalTime += reply.RoundtripTime;
                }
                else
                {
                    Console.WriteLine("Ping number " + (i + 1) + " - " + DateTime.Now + " - Not success! RTT: {0}", reply.RoundtripTime.ToString() + "ms");
                }
                System.Threading.Thread.Sleep(timeout);
            }
            return totalTime / echoNum;
        }


        static void Main(string[] args)
        {
            for (int i=0; i<50; i++)
            {
                Console.WriteLine("Total average ping time: " + PingTimeAverage("8.8.8.8", 3) + "ms");
            }
        }
    }
}