public static void Main()
{
var animals = new List<Animal>();
animals.Add(new Cat("Tom", 2, "male"));
animals.Add(new Frog("Kasandra", 3, "female"));
animals.Add(new Dog("Djoni", 5, "male"));
animals.Add(new Cat("Gosho", 3, "male"));
animals.Add(new Frog("Rapuncel", 8, "female"));
animals.Add(new Dog("Kira", 2, "female"));
foreach (var animal in animals)
{
Console.WriteLine(animal.Name + " is " + animal.Age + " years old and is " + animal.Sex);
}
Console.WriteLine();
TomCat[] tomCats = new TomCat[3] { new TomCat("Tom", 2, "male"), new TomCat("Gosho", 3, "male"), new TomCat("Kuncho", 7, "male") };
Kittens[] kittenCats = new Kittens[2] { new Kittens("Lora", 2, "female"), new Kittens("Zori", 3, "female") };
Frog[] frogs = new Frog[3] { new Frog("Tom", 5, "male"), new Frog("Gosho", 8, "male"), new Frog("Kuncho", 7, "male") };
Dog[] dogs = new Dog[2] { new Dog("Tom", 5, "male"), new Dog("Gosho", 8, "male") };
Console.WriteLine(tomCats.Average(x => x.Age));
Console.WriteLine(kittenCats.Average(x => x.Age));
Console.WriteLine(frogs.Average(x => x.Age));
Console.WriteLine(dogs.Average(x => x.Age));
}