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()}."); }