Python 3- Deep Dive -part 4 - Oop- -
class Sparrow(FlyingBird): def move(self): return self.fly(100) def fly(self, altitude: int): return f"Flying at altitude"
class Employee: def __init__(self, name, salary): self.name = name self.salary = salary def calculate_pay(self): return self.salary * 0.8 # Business rule Python 3- Deep Dive -Part 4 - OOP-
class VIPDiscount(DiscountStrategy): def apply(self, amount: float) -> float: return amount * 0.8 class Sparrow(FlyingBird): def move(self): return self
class NotificationService: # High-level def (self, sender: MessageSender): # Injected dependency self._sender = sender amount: float) ->