Python 3 Deep Dive Part 4 Oop -

Hiding complex implementation details and showing only the necessary features of an object. Deep Dive Topics and Mechanics

class Shape(ABC): @abstractmethod def area(self): pass

: Understanding the relationship between class objects and instance objects, including class-level data and function attributes. Methods and Binding

When a class is defined, Python calls:

Combine several OOP concepts: ABCs, metaclass auto-registration, and descriptors.

In Python, classes are objects too. They are instances of a metaclass. By default, Python uses type as its metaclass.

def honk(self): print("Honk honk!")

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

Prefer composition over inheritance unless there is a genuine "is-a" relationship.

If you want to learn more about OOP in Python 3, here are some recommended resources: python 3 deep dive part 4 oop

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

class Person(metaclass=RequiredAttrsMeta): name = "John" # If omitted, TypeError at class definition time