static void Main(string[] args)
{
//First instance of the Rectangel
Rectangle r1 = new Rectangle();
r1.Length = 8;
r1.Width = 8;
double area = r1.CalculateArea();
Console.WriteLine($"Rectangle 1 - L:{r1.Length}, W:{r1.Width}, A{area}, R:{r1.CalculatePerimeter()}");
//Second instance of the Rectangle
Rectangle r2 = new Rectangle(15, 11);
Console.WriteLine($"Rectangle 2 - L:{r2.Length}, W:{r2.Width}, A{r2.CalculateArea()}, R:{r2.CalculatePerimeter()}");
r2.Width = 10;
Console.WriteLine("Changed width to 10");
Console.WriteLine($"Rectangle 2 - L:{r2.Length}, W:{r2.Width}, A{r2.CalculateArea()}, R:{r2.CalculatePerimeter()}");
//First instance of Circle
Circle c1 = new Circle();
c1.Radius = 3.333;
Console.WriteLine($"C1 - R:{c1.Radius}, A:{c1.CalculateArea()}, P:{c1.CalculatePerimeter()}");
Circle c2 = new Circle();
c2.Radius = 4.444;
Console.WriteLine($"C1 - R:{c2.Radius}, A:{c2.CalculateArea()}, P:{c2.CalculatePerimeter()}");
Console.WriteLine(c2);
}