[C# interview] async

using System;
using System.Threading.Tasks;


// what will be the output
public class MyClass
{
    private static int _count;
    public static void Work()
    {
        for (var i = 0; i < 10; i++)
        {
            _count++;
        }
    }

    public static async Task Main()
    {
        var t1 = Task.Run(Work);
        var t2 = Task.Run(Work);
        await Task.WhenAll(t1, t2);
        Console.WriteLine(_count);
    }
}