Recursively traverse linked list -- help!

[Paul Rubin]

O Polite <ol1 at v10a.com> writes:
> Well, first you'd want to have a way of representing a linked list.
> Here's one straighforward way of doing it, but unless your taking
> Datastructures 101 you'll never be interested in it. The builtin list
> type will always be faster than anything you implement in python, and
> now in python2.2 you can subclass the builtin types as any other class.

That's a misconception.  One of the main reasons for using linked
lists is to be able to insert stuff in the middle taking a constant
amount of time.  If you do that with a built-in list, the time needed
is proportional to the size of the list, which can be very large.