using System;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        var a = new System.Collections.Generic.List<string>();

        Console.WriteLine($"Value:[{a?.Any()}]");

        a = null;

        Console.WriteLine($"Value:[{(bool)(a != null && a.Any())}]");

        Console.WriteLine("Done");

    }

}