我需要创建一个名为catalog（）的函数来找出有多少辆车具有我选择的车轮数量，唯一不能更改的是调用"catalog = catalog（all_vehicles，6）"
例如：
如果我真的喜欢这个
目录=目录（所有车辆，6）
应该是这样的：
"发现2辆6个轮子的车"
或目录=目录（所有车辆，2）
"发现4辆2个轮子的车"

class Vehicles:
    color = ''
    wheels = []
    
    def __init__(self, color, wheels):
        self.color = color
        self.wheels = wheels
        
    def filter():
        pass
    
    def __str__(self):
        print(f"The bus is {self.color} and has {self.wheels} wheels.")
bus1 = Vehicles("white", 6)
bus1.__str__()
bus2 = Vehicles("blue", 6)
bus2.__str__()

class Car(Vehicles):
    speed = 0
    displacement = 0
    
    def __init__(self, color, wheels, speed, displacement):
        super().__init__(color, wheels)
        self.color = color
        self.wheels = wheels
        self.speed = speed
        self.displacement = displacement
    
    def __str__(self):
        print(f"The car is {self.color}, has {self.wheels} wheels, is traveling at {self.speed} mph and has {self.displacement} displacement.")

car1 = Car("black", 4, 70, 1000)
car1.__str__()
car2 = Car("grey", 4, 65, 950)
car2.__str__()
car3 = Car("green", 4, 90, 1100)
car3.__str__()

class Truck(Car):
    cargo = 0
    
    def __init__(self, color, wheels, speed, displacement, cargo):
        super().__init__(color, wheels, speed, displacement)
        self.color = color
        self.wheels = wheels
        self.speed = speed
        self.displacement = displacement
        self.cargo = cargo
        
    def __str__(self):
        print(f"The truck is {self.color}, has {self.wheels} wheels, is traveling at {self.speed} mph, has {self.displacement} displacement and is carrying {self.cargo} weight as cargo.")
        
truck1 = Truck("grey", 4, 40, 900, 1.525)
truck1.__str__()
truck2 = Truck("white", 4, 45, 920, 2.253)
truck2.__str__()

class Bike(Vehicles):
    gears = ""
    
    def __init__(self, color, wheels, gears):
        super().__init__(color, wheels)
        self.color = color
        self.wheels = wheels
        self.gears = gears
        
    def __str__(self):
        print(f"The bike is {self.color}, has {self.wheels} wheels and has {self.gears} changes.")
        
bike1 = Bike("orange", 2, 12)
bike1.__str__()
bike2 = Bike("black", 2, 10)
bike2.__str__()

class Motorbike(Bike):
    speed = 0
    displacement = 0
    model = ""
    
    def __init__(self, color, wheels, gears, speed, displacement, model):
        super().__init__(color, wheels, gears)
        self.color = color
        self.wheels = wheels
        self.gears = gears
        self.speed = speed
        self.displacement = displacement
        self.model = model

    def __str__(self):
        print(f"The motorbike is {self.color}, has {self.wheels} wheels, has {self.gears} changes, is traveling at {self.speed} mph, has {self.displacement} displacement and is a {self.model} motorbike.")

motorbike1 = Motorbike("blue", 2, 5, 120, 600, "road")
motorbike1.__str__()
motorbike2 = Motorbike("black", 2, 7, 220, 1100, "race")
motorbike2.__str__()

all_vehicles = [bus1, bus2, car1, car2, car3, truck1, truck2, bike1, bike2, motorbike1, motorbike2]

def catalog(the_list, wheels):    

    print(f"Founded {Vehicles} with {Vehicles.wheels} wheels.")

catalog = catalog(all_vehicles, 6)