class Road(object):
    """docstring"""
    def __init__(self, lenght, road_namber):
        """Constructor"""
        self.lenght = lenght
        self.road_namber = road_namber
class Car(object):
    def __init__(self,speed,road_namber,abscisa):
        """Constructor"""
        self.speed = speed
        self.abscisa = abscisa
        self.road_namber = road_namber
    def drive(self):
     """движение машинки"""
     r1 = Road()
     absicisa = absicisa + speed;
     if X > road.Length:
         absicisa = 0