Python 3- Deep Dive -part 4 - Oop- - ((new))

from abc import ABC, abstractmethod

class NotificationService: # High-level def (self, sender: MessageSender): # Injected dependency self._sender = sender Python 3- Deep Dive -Part 4 - OOP-

In , we will deep dive into Concurrency: Threads vs. Async vs. Multiprocessing. from abc import ABC

def area(self): return 3.14 * self.radius ** 2 Python 3- Deep Dive -Part 4 - OOP-

To see the lookup order:

: Use of __slots__ for memory savings and faster attribute access.

In this example, ElectricCar is a subclass of Car . It inherits the attributes and methods of Car and adds its own attribute battery_size and method charge .