class ElectricCar(Car):
'''doc, blabla...'''
def __init__(self, make, model, year):
super().__init__(make, model, year);
self.battery = Battery()
def describe_battery(self):
self.battery.describe_battery()
# 重载函数
def fill_gas_tank(self):
print('No gas tank for elactric car!')
def __init__(self,make,model,year):
"""初始化父类的属性,再初始化电动汽车特有的属性"""
# super(ElectricCar, self).__init__(make,model,year)
super().__init__(make,model,year)
#super() 是一个特殊函数，帮助Python将父类和子类关联起来
self.battery = Battery(85)
def __init__(self, make, model, year):
super().__init__(make, model, year)
self.battery = Battery(70)
self.__some_variable = 10
def __init__(self, make, model, year):
super().__init__(make, model, year);
self.battery = Battery()
"""import classes to the main program"""
from car import Car
from car import ElectricCar
from car import Battery
"""Uses instances and objects in Car"""
my_car=Car('b m w','320i',2008)
print(my_car.description())
print(my_car.make.title())
"""Uses instances and objects in ElectricCar"""
my_volks=ElectricCar('audi','r8',2018)
my_volks.des_batt()
print(my_volks.model.title())
"""Uses instances and objects in Battery"""
my_tesla=Battery('tesla','model s',2018,'Lithian')
my_tesla.des_battery()
print(my_tesla.model.title())
from car import Car, ElectricCar
my_beetle = Car('volkswagen', 'beetle', 2019)
print(my_beetle.get_descriptive_name())
my_tesla = ElectricCar('tesla', 'roadster', 2019)
print(my_tesla.get_descriptive_name())
import car
my_beetle = car.Car('volkswagen', 'beetle', 2019)
print(my_beetle.get_descriptive_name())
my_tesla = car.ElectricCar('tesla', 'roadster', 2019)
print(my_tesla.get_descriptive_name())
from car import Battery
battery1 = Battery(17)
battery1.describe_battery()
battery1.upgrade_battery()
battery1.get_range()
battery1.describe_battery()
battery1 = Battery(18)
battery1.describe_battery()
def __init__(self, make, model, year):
# Initialize attributes of the parent class
super().__init__(make, model, year)
self.battery = Battery()