python多态，重写父类方法，python多态重写,def rotate_t

python多态，重写父类方法，python多态重写,def rotate_t

def rotate_tires( car ) :   for i in range(1, car.tire_count()) :       print 'Moving tire from ' + str(i)       car.set_tire( i+1 )   print 'Moving tire from ' + str(car.tire_count())   car.set_tire( 1 )class Car(object) :    def __init__(self) :        self.number_of_tires = 4    def set_tire( self, nPos ) :        print 'Setting tire into position: ' + str(nPos )    def tire_count(self) :        return self.number_of_tiresclass Hybrid(Car) :    def __init__(self) :        self.number_of_tires = 3c = Car()rotate_tires(c)h = Hybrid()rotate_tires(h)