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class Car():
"""一次模拟汽车的简单尝试"""
def __init__(self, make, model, year):
"""初始化描述汽车的属性"""
self.make = make
self.model = model
self.year = year
self.odometer_reading = 0 #给属性 odometer_reading 设置默认值 0
def get_descriptive_name(self):
"""返回整洁的描述性信息"""
long_name = str(self.year) + ' ' + self.make + ' ' + self.model
return long_name.title()
def read_odometer(self):
"""打印一条指出汽车里程的消息"""
print("This car has " + str(self.odometer_reading) + " miles on it.")
def update_odometer(self, mileage):
"""将里程表读数设置为指定的值，并对比默认值"""
if self.odometer_reading <= mileage:
self.odometer_reading = mileage
else:
print("You can't roll back an odometer!")
def increment_odometer(self, miles):
"""用方法对里程表数值进行修改"""
self.odometer_reading += miles
class ElectricCar(Car):
"""电动汽车的独特之处"""
def __init__(self, make, model, year):
"""初始化父类的属性"""
super().__init__(make, model, year)
my_new_car.update_odometer(23)
my_new_car.read_odometer()
my_new_car = Car('audi', 'a4', 2016)
print(my_new_car.get_descriptive_name())
'''直接修改属性值
my_new_car.odometer_reading = 23
my_new_car.read_odometer()
'''
my_tesla = ElectricCar('tesla', 'model s', 2016)
print(my_tesla.get_descriptive_name())
以上代码在python中运行提示“意外缩进”，经过测试，在所有def函数前都提示“意外缩进”，求答疑
谢谢！本人新手，还没有入门，自学，所以不懂 ，求解疑
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