class Car():
	def __init__(self, make, model, year):
		self.make = make
		self.model = model
		self.year = year
		self.odometer_reading = 0

	def get_descriptive_name(self):
		long_name = str(self.year) + ' ' +self.make + ' ' +self.model
		return long_name.title()

	def read_odometer(self):
		print("This car has " + str(self.odometer_reading) + " miles on it.")

	def update_odometer(self, mileage):
		
		if mileage >= self.odometer_reading:
			self.odometer_reading = mileage
		else:
			print("You can't roll back an dodmeter!")

	def increment_odometer(self, miles):
		self.odometer_reading += miles


class Battery():
	def __init__(self, battery_size=70):
		self.battery_size = battery_size

	def describe_battery(self):
		print("This car has a " + str(self.battery_size) + "-kWh battery.")

	def get_range(self):
		if self.battery_size == 70:
			range = 240
		elif self.battery_size == 85:
			range = 270

		message = "This car can go appriximately " + str(range)
		message += " miles on a full charge."
		print(message)

class ElectricCar(Car):

	def __init__(self, make, model, year):

		super().__init__(make, model, year)

		self.battery = Battery()

from car import Car , ElectricCar

my_new_car = Car('audi', 'a4', 2016)
print(my_new_car.get_descriptive_name())

my_new_car.odometer_reading = 23
my_new_car.read_odometer()

my_beetle = Car('wolkswagen', 'beetle', 2016)
print(my_beetle.get_descriptive_name())

my_tesla = ElectricCar('tesla', 'roadster', 2016)
print(my_tesla.get_descriptive_name())

from car import ElectricCar

my_tesla = ElectricCar('tesla', 'model s', 2016)

print(my_tesla.get_descriptive_name())
my_tesla.battery.describe_battery()
my_tesla.battery.get_range()

import car

my_beetle = car.Car('wolkswagen', 'beetle', 2016)
print(my_beetle.get_descriptive_name())

my_tesla = car.ElectricCar('tesla', 'roadster', 2016)
print(my_tesla.get_descriptive_name())