[Aahz Maruch] > Yes, particularly when I repeat myself and use this example: > > if i in 5: > > <shudder> I will note once again that Aahz shudders at the thought. And note again also, that (the equivalent of) def __contains__(self,x): raise TypeError could be added to class int if the anguish proved to be insurmountable <0.1 wink>. Jim