<gh_stars>0
class Car:
    
    def __init__(self, make, model, top_speed, acceleration):
        pass

    def __str__(self):
        pass

    def advance(self):
        pass

class Car:
    
    def __init__(self, make, model, top_speed, acceleration):
        pass

    def __str__(self):
        pass

    def advance(self):
        pass