using System;
using System.Diagnostics;
public class Program
{
public static void Main()
var stopwatch = new Stopwatch();
stopwatch.Start();
Foo();
stopwatch.Stop();
var t = stopwatch.ElapsedMilliseconds;
Console.WriteLine($"Elapsed {t}");
}
public static void Foo() {
for(var i = 0; i < 1000; i++) {
Console.Write(".");
Console.WriteLine("Done");