Python 3 Deep Dive Part 4 Oop !link!

def __init_subclass__(cls, **kwargs): super().__init_subclass__(**kwargs) PluginBase.registry.append(cls) print(f"Registered: cls.__name__")

class SaveMixin: def log(self): print("SaveMixin") super().log() python 3 deep dive part 4 oop

, the true constructor that creates the instance before it is initialized. Understanding this distinction is crucial for advanced patterns like Singletons or subclassing immutable types like The Power of Descriptors and Properties def __init_subclass__(cls, **kwargs): super()

def area(self): return 3.14 * self.radius ** 2 python 3 deep dive part 4 oop