Music knowledge representation

[Aaron "Castironpi" Brady]

On Sep 28, 2:08 pm, Mr.SpOOn <mr.spoo... at gmail.com> wrote:
> On Sun, Sep 28, 2008 at 8:59 PM, Aaron Castironpi Brady
>
> <castiro... at gmail.com> wrote:
> > Here is a link to someone else's design they asked about on the
> > newsgroup a couple weeks ago.
>
> >http://groups.google.com/group/comp.lang.python/browse_thread/thread/...
>
> :D
> It's always me.
>
> I think my question is more specific. I need some sort of cycle.
>
> So if I have a list with A, B, C, D, when I iter over it I need to get
> an A after the D.

This one was an easy guess:

cycle( iterable)

Make an iterator returning elements from the iterable and saving a
copy of each. When the iterable is exhausted, return elements from the
saved copy. Repeats indefinitely.