class Vehicle(object):
    """ Vehicle class """

    count = 0; # class attribute

    def __init__(self, brand):
        self.__brand = brand
        Vehicle.count += 1

    @property
    def brand(self):
        return self.__brand

    @brand.setter
    def brand(self, b):
        self.__brand = b

    @brand.deleter
    def brand(self):
        del self.__brand

    def __str__(self):
        return "Brand: %s" % self.__brand

    def __getattr__(self, attr):
        return "~"

    def __del__(self):
        Vehicle.count -= 1
        print("Delete %s, %d vehicles left ..." % (self.__brand, Vehicle.count))

def main():
    v1 = Vehicle("Lincoln")

    import inspect
    from pprint import pprint

    m = inspect.getmembers(v1, inspect.ismethod)
    pprint(m)

if __name__ == '__main__':
    main()