hi all is there a way to do this ... class clown: def __init__(self): self.x = 0 self.y = ALIAS(self.x) ## FEASIBLE ? ... so that you get results like this ... krusty = clown() krusty.x >> 0 krusty.y >> 0 krusty.x = 1 krusty.x >> 1 krusty.y >> 1 ... ? thanks. peace stm