static void Main(string[] args)
{
//Initial new shape
Rectangle rectangle1 = new Rectangle(-42, 5);
Console.WriteLine($"The created rectangle has length of {rectangle1.GetLength()} and width of {rectangle1.GetWidth()}");
//Setting new length and width
rectangle1.SetLength(7);
rectangle1.SetWidth(-98);
//Checking new length and width has been implemented
Console.WriteLine($"The new length is now {rectangle1.GetLength()} and width is now {rectangle1.GetWidth()}");
//Calculating area and perimeter with new length and width
Console.WriteLine($"The area of the rectangle is now {rectangle1.GetArea()} and the perimeter is now {rectangle1.GetPerimeter()}.");
}
