# This program calculates the perimeter and area of diffrent shapes

    print("Welcome to the Shape Calculator.")
    print("This program calculates the perimeter +or circumference.")
    print("and the area of a square, rectangle, or circle.")
    
    print("\nPlease choose one of the following shapes:")
    print("- Square")
    print("- Rectangle")
    print("- Circle")
    
    choice = input("Enter your choice: ").strip().lower()
    print("-" * 50)
    
    if choice == "square":
        print("You selected: Square")
        length = float(input("Enter the length of a side: "))
        
        area = length ** 2
        perimeter = 4 * length
        
        print(f"Perimeter of the square: {perimeter:.2f}")
        print(f"Area of the square: {area:.2f}")
        
    elif choice == "rectangle":
        print("You selected: Rectangle")
        length = float(input("Enter the length: "))
        width = float(input("Enter the width: "))
        
        area = length * width
        perimeter = 2 * (length + width)
        
        print(f"Perimeter of the rectangle: {perimeter:.2f}")
        print(f"Area of the rectangle: {area:.2f}")
        
    elif choice == "circle":
        print("You selected: Circle")
        radius = float(input("Enter the radius: "))
        
        circumference = 2 * math.pi * radius
        area = math.pi * (radius ** 2)
        
        print(f"Circumference (perimeter) of the circle: {circumference:.2f}")
        print(f"Area of the circle: {area:.2f}")
        
    else:
        print("Invalid selection. Please run the program again and choose Square, Rectangle, or Circle.")

    print("-" * 50)
    print("Thank you for using the Shape Geometry Calculator. The program has now ended. Goodbye!")

# Run the program
if __name__ == "__main__":
    calculate_shape_properties()