PI = 3.1415


class Circle():
    def __init__(self, r):
        self.radius = r
        self.area = PI * r * r
        self.perimeter = 2 * PI * r

    def display_area(self):
        print(f"Area of the circle with radius {self.radius} is: {self.area}")

    def display_perimeter(self):
        print(
            f"Perimeter of the circle with radius {self.radius} is: {self.perimeter}")


class Rectangle():
    def __init__(self, x, y):
        self.x = x
        self.y = y
        self.area = x*y
        self.perimeter = 2*x + 2*y

    def display_area(self):
        print(
            f"Area of a Rectangle of sides: {self.x}x{self.y} is: {self.area}")

    def display_perimeter(self):
        print(
            f"Perimeter of a Rectangle of sides {self.x}x{self.y} is: {self.perimeter}")


Circle1 = Circle(4)
Circle1.display_perimeter()
Circle1.display_area()

Circle2 = Circle(123)
Circle2.display_perimeter()
Circle2.display_area()

Rectangle1 = Rectangle(12, 5)
Rectangle1.display_perimeter()
Rectangle1.display_area()

Rectangle2 = Rectangle(123, 178)
Rectangle2.display_perimeter()
Rectangle2.display_area()