from abc import ABC, abstractmethod
class Rectangle(Shape): def __init__(self, width, height): self.width = width self.height = height python 3 deep dive part 4 oop high quality
stripe_gateway.process_payment(100) # Output: Processing payment of $100 using Stripe. paypal_gateway.process_payment(200) # Output: Processing payment of $200 using PayPal. from abc import ABC
my_car = Car("Red", "Toyota", "Camry") print(my_car.color) # Output: Red my_car.start_engine() # Output: The engine is started. abstractmethod class Rectangle(Shape): def __init__(self