网上查了很多都说python2和python3格式问题,但是我也用python2的格式写了一遍,依然是错误
python3
sublime text 3
错误如下
代码如下
感觉没问题啊,你可以试一下让Car继承object类
class Car(object):
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("\nYou can't roll back an odometer !")
def increment_odometer(self, miles):
self.odometer_reading += miles
class ElectricCar(Car):
def __init__(self, make, model, year):
super(ElectricCar, self).__init__(make, model, year)
my_tesla = ElectricCar('tesla', 'models', 2016)
print(my_tesla.get_descriptive_name()) # 2016 Tesla Models
不知道你这个问题是否已经解决, 如果还没有解决的话: