On Tue, Jul 1, 2008 at 6:27 AM, Alan Gauld <[EMAIL PROTECTED]> wrote: > "Kent Johnson" <[EMAIL PROTECTED]> wrote >>> >>> if isinstance(x, list): >>> for item in x: >>> x = item >> >> This just assigns x to the last element of the list > > Oops, yes, I said the first but in fact reassigning x does not stop the > loop, it seems the loop works on a local copy of the original reference.
Under the hood, 'for item in x' creates an iterator which has a reference to the original list. Kent _______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
