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Python Abstract Class with Concrete Subclasses

Define an abstract base class with abstract methods and implement them in concrete subclasses like Rectangle and Circle.

abc abstract-methods oop

Python

from abc import ABC, abstractmethod

class Shape(ABC):
    @abstractmethod
    def area(self):
        pass

    @abstractmethod
    def perimeter(self):
        pass

class Rectangle(Shape):
    def __init__(self, width, height):
        self.width = width
        self.height = height

    def area(self):
        ret…

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