类-通过方法修改属性

def solve():
    class Car:
        def __init__(____):
            self.make = make
            self.model = model
            self.year = year
            self.odometer_reading = ____
        def update_odometer(____):
            self.odometer_reading = mileage
    my_car = Car(____)
    my_car.update_odometer(____)
    print(____)