class BankAccount: def __init__(self, account_number, balance): self.__account_number = account_number self.__balance = balance
class PaymentGateway(ABC): @abstractmethod def process_payment(self, amount): pass
Polymorphism is the ability of an object to take on multiple forms. This can be achieved through method overriding or method overloading. Method overriding occurs when a child class provides a different implementation of a method that is already defined in its parent class. python 3 deep dive part 4 oop high quality
def start_engine(self): print("The engine is started.")
def area(self): return self.width * self.height class BankAccount: def __init__(self
class Shape: def area(self): pass
account = BankAccount("1234567890", 1000) print(account.get_balance()) # Output: 1000 account.deposit(500) print(account.get_balance()) # Output: 1500 python 3 deep dive part 4 oop high quality
stripe_gateway = StripePaymentGateway() paypal_gateway = PayPalPaymentGateway()
