negative stride list slices

[Russell Blau]

"Reid Nichol" <rnichol_rrc at yahoo.com> wrote in message
news:r7oZc.6653$MR2.32885 at news1.mts.net...
> David Abrahams wrote:
> > Can anyone explain the logic behind the behavior of list slicing with
> > negative strides?  For example:
> >
> >   >>> print range(10)[:-3:-1]
> >   [9,8]
> >
> > I found this result very surprising, and would just like to see the
> > rules written down somewhere.
>
http://www.python.org/doc/current/tut/node5.html#SECTION005120000000000000000

You probably meant to reference the next section (that bookmark relates to
strings, the next one is lists), but in either case none of the examples in
the tutorial has yet been updated to deal with slices that include a
"stride" as a third parameter.


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