static void Main(string[] args)
{
Console.WriteLine("Hello World!");
Firearm pistol = new Firearm { name = "pistol", sound = "pop", caliber = "9mm" };
pistol.work();
Firearm rifle = new Firearm { name = "rifle", sound = "bang", caliber = "7.62mm" };
rifle.work();
Firearm shotgun = new Firearm { name = "shotgun", sound = "boom", caliber = "12gauge" };
shotgun.work();
}