class StripePaymentGateway(PaymentGateway): def process_payment(self, amount): print(f"Processing payment of ${amount} using Stripe.")
class PayPalPaymentGateway(PaymentGateway): def process_payment(self, amount): print(f"Processing payment of ${amount} using PayPal.") python 3 deep dive part 4 oop high quality
account = BankAccount("1234567890", 1000) print(account.get_balance()) # Output: 1000 account.deposit(500) print(account.get_balance()) # Output: 1500 amount): self.__balance += amount In conclusion
print(rectangle.area()) # Output: 20 print(circle.area()) # Output: 28.26 and abstract classes and interfaces
def deposit(self, amount): self.__balance += amount
In conclusion, Python 3 provides an excellent platform for implementing OOP principles. By understanding the concepts of classes and objects, inheritance, polymorphism, encapsulation, and abstract classes and interfaces, developers can create robust, scalable, and maintainable software systems. By following best practices and using design patterns, developers can write high-quality code that is easy to understand, modify, and extend.