lesson 4 task

PI = 3.1415


class Figure():
    def display_area(self):
        print(self.area)

    def display_perimeter(self):
        print(self.perimeter)


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


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


circle1 = Circle(4)
circle1.display_perimeter()
circle1.display_area()

circle2 = Circle(123)
circle2.display_perimeter()
circle2.display_area()

rect1 = Rectangle(12, 5)
rect1.display_perimeter()
rect1.display_area()

rect2 = Rectangle(123, 178)
rect2.display_perimeter()
rect2.display_area()