class Thing:
'''a class with a constructor (or other function)
   that takes a variable number of arguments and then
   sets them as class attributes conditionally.
'''
    def __init__(self, **kwargs):
        for key, value in kwargs.items():
            setattr(self, key, value)

door = Thing(size='180x70', color='red chestnut', material='oak')
print(door.size, door.color, door.material, sep = ', ')

house = Thing(height='23 m', doors=6, rooms=4, material='break') #180x70, red chestnut, oak
print(house.height, house.doors, house.rooms, house.material, sep=', ') #23 m, 6, 4, break