DataStructure/AbstractClass.py at main · doddahulugappa/DataStructure · GitHub

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"""
An abstract class can be considered as a blueprint for other classes.
It allows you to create a set of methods that must be created within any
child classes built from the abstract class.
A class which contains one or more abstract methods is called an abstract class.
"""

from abc import ABC, abstractmethod


class Polygon(ABC):
    @abstractmethod
    def noofsides(self):
        pass


class Triangle(Polygon):
    # overriding abstract method
    def noofsides(self):
        print("I have 3 sides")


class Pentagon(Polygon):
    # overriding abstract method
    def noofsides(self):
        print("I have 5 sides")


class Hexagon(Polygon):
    # overriding abstract method
    def noofsides(self):
        print("I have 6 sides")


class Quadrilateral(Polygon):
    # overriding abstract method
    def noofsides(self):
        print("I have 4 sides")


# Driver code
R = Triangle()
R.noofsides()

K = Quadrilateral()
K.noofsides()

R = Pentagon()
R.noofsides()

K = Hexagon()
K.noofsides()