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In Python 3, a class is a template that defines the properties and behavior of an object. A class is essentially a blueprint or a design pattern that defines the characteristics of an object. An object, on the other hand, is an instance of a class, which has its own set of attributes (data) and methods (functions).
def start_engine(self): print("The engine is started.")
stripe_gateway.process_payment(100) # Output: Processing payment of $100 using Stripe. paypal_gateway.process_payment(200) # Output: Processing payment of $200 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
class PayPalPaymentGateway(PaymentGateway): def process_payment(self, amount): print(f"Processing payment of ${amount} using PayPal.") In Python 3, a class is a template
class ElectricCar(Car): def __init__(self, color, brand, model, battery_capacity): super().__init__(color, brand, model) self.battery_capacity = battery_capacity
def deposit(self, amount): self.__balance += amount def start_engine(self): print("The engine is started
rectangle = Rectangle(4, 5) circle = Circle(3)
