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| Python 3 Deep Dive Part 4 Oop High Qualitydef get_balance(self): return self.__balance rectangle = Rectangle(4, 5) circle = Circle(3) python 3 deep dive part 4 oop high quality print(rectangle.area()) # Output: 20 print(circle.area()) # Output: 28.26 def get_balance(self): return self Abstract classes and interfaces are used to define a blueprint for other classes to follow. An abstract class is a class that cannot be instantiated on its own and is meant to be inherited by other classes. python 3 deep dive part 4 oop high quality from abc import ABC, abstractmethod |