def __str__(self):
    return (((((((self.__description + ', ') + 'items: ') + str(self.__units_in_inventory)) + ', ') + '$ ') + str(float(self.__price))) + '. ')
def __str__(self):
    return (((((((self.__description + ', ') + 'items: ') + str(self.__units_in_inventory)) + ', ') + '$ ') + str(float(self.__price))) + '. ')