Peter> off-topic: Peter> I am still thinking about higher order functions in Python: Peter> e.g.: map(+ 1, [1, 2, 3]) instead of map(lambda x: x + 1, [1, 2, 3]) Peter> don't have a clue how to do that yet. That would be [x + 1 for x in [1,2,3]] of course... ;-) Skip