using System;

public class Program

{

    public static void Main()

    {

        var getNowMessage = new Func<string>(() => $"The time is now: {DateTime.Now.ToString("h:mm tt")}");

        Console.WriteLine(getNowMessage());

​

        var getTimeMessage = new Func<DateTime, string>((date) => $"The time is now: {date.ToString("h:mm tt")}");

        Console.WriteLine(getTimeMessage(DateTime.Now));

        var getDrink =

            new Func<DateTime, string>((date) =>

                                               {

                                                   if (date.DayOfWeek == DayOfWeek.Saturday || date.DayOfWeek == DayOfWeek.Sunday)

                                                       return "🍺";

                                                   else

                                                       return "☕";

                                               });

        Console.WriteLine($"Time for a {getDrink(DateTime.Now)}.");

        Func<string> getNowMessage2 = () => $"The time is now: {DateTime.Now.ToString("h:mm tt")}";

        Console.WriteLine(getNowMessage2());

        Func<DateTime, string> getTimeMessage2 = (date) => $"The time is now: {date.ToString("h:mm tt")}";

        Console.WriteLine(getTimeMessage2(DateTime.Now));

    }

}