using System.Globalization;

/*var s = CultureInfo.GetCultures(CultureTypes.AllCultures);

foreach (var culture in s)
{
    var actualCulture = culture;
    Console.WriteLine(actualCulture);

}*/

async Task TaskReceiver(Func<Task> task)
{
    Console.WriteLine("Hello");
    await task.Invoke();
}

async Task Task2()
{
    Console.WriteLine("World");
}

var f = Task2;

await TaskReceiver(f);