# Creating a shape Class
class Shape:
    width = 0
    height = 0
 
    # Creating area method
    def area(self):
        print("Parent class Area ... ")
 
 
# Creating a Rectangle Class
class Rectangle(Shape):
 
    def __init__(self, w, h):
        self.width = w
        self.height = h
 
    # Overridding area method
    def area(self):
        print("Area of the Rectangle is : ", self.width*self.height)
 
 
# Creating a Triangle Class
class Triangle(Shape):
 
    def __init__(self, w, h):
        self.width = w
        self.height = h
 
    # Overridding area method
    def area(self):
        print("Area of the Triangle is : ", (self.width*self.height)/2)
 
 
rectangle = Rectangle(10, 20)
triangle = Triangle(2, 10)
 
rectangle.area()
triangle.area()