Python tutorial for beginners 🐍 - Learn Python COMPOSITION in 7 minutes! 🚘

# Aggregation = A relationship where one object contains references to other INDEPENDENT objects # "has-a" relationship # Composition = The composed object directly owns its components, which cannot exist independently # "owns-a" relationship class Engine: def __init__(self, horse_power): self.horse_power = horse_power class Wheel: def __init__(self, size): self.size = size class Car: def __init__(self, make, model, horse_power, wheel_size): self.make = make self.model = model self.engine = Engine(horse_power) self.wheels = [Wheel(wheel_size) for wheel in range(4)] def display_car(self): return f"{self.make} {self.model} {self.engine.horse_power}(hp) {self.wheels[0].size}in" car1 = Car(make="Ford", model="Mustang", horse_power=500, wheel_size=18) car2 = Car(make="Chevrolet", model="Corvette", horse_power=670, wheel_size=19) print(car1.display_car()) print(car2.display_car())