Sure - that was just an example of mutating the keys list without having direct access to it.
If keys was implemented as an object (with a ``__call__`` method) then we could also implement sequence methods on it - making it easier to mutate the keys/values/items directly. All the best, Fuzzyman http://www.voidspace.org.uk/python/index.shtml -- http://mail.python.org/mailman/listinfo/python-list
