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.

def deposit(self, amount): self.__balance += amount

def start_engine(self): print("The engine is started.")

rectangle = Rectangle(4, 5) circle = Circle(3) python 3 deep dive part 4 oop high quality

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.

class Rectangle(Shape): def __init__(self, width, height): self.width = width self.height = height

class BankAccount: def __init__(self, account_number, balance): self.__account_number = account_number self.__balance = balance stripe_gateway

def area(self): return 3.14 * self.radius ** 2

print(rectangle.area()) # Output: 20 print(circle.area()) # Output: 28.26

from abc import ABC, abstractmethod

def area(self): return self.width * self.height

class Shape: def area(self): pass