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Start your free trialSam Appleton
3,832 PointsUsing (self,*cars) instead of (self,cars) for multiple instances
I tried using *cars and it returns the car object ID instead of the model year and make. Any ideas on how I would get the loop to use the def str method?
class Dealership: def init(self): self.cars = []
def iter(self): yield from self.cars
def add_car(self, *car): self.cars.append(car)
car_one = Car('Model T', 1908) car_two = Car('Phantom', 2020, 'Rolls Royce')
my_dealership = Dealership() my_dealership.add_car(car_one, car_two)
for car in my_dealership: print(car)
1 Answer
Jeff Muday
Treehouse Moderator 28,720 PointsYou look like you understand Python class
, nice job!
All you need is a little bit of Python magic "dunder" methods to get your job done:
__init__
, __str__
, __iter__
class Car:
def __init__(self, make, year=0, brand=''):
self.make = make
self.year = year
self.brand = brand
def __str__(self):
return f"{self.make} {self.year} {self.brand}"
class Dealership:
def __init__(self):
self.cars = []
def __iter__(self):
yield from self.cars
def add_car(self, *cars):
for car in cars:
self.cars.append(car)
car_one = Car('Model T', 1908 )
car_two = Car('Phantom', 2020, 'Rolls Royce')
my_dealership = Dealership()
my_dealership.add_car(car_one, car_two)
for car in my_dealership:
print(car)