python继承（car）

class Car():
“”“一次模拟汽车的简单尝试”""

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

class ElectricCar(Car):

def __init__(self, make, model, year):
    super().__init__(make, model, year)
    self.battery_size = 70

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

my_besla = ElectricCar(‘tesla’, ‘model s’, 2016)
print(my_besla.get_descriptive_name())
my_besla.descriptive_battery()