As Chris Angelico notes, that's only good for finite iterables. The recipe in the itertools docs is unbounded, but it's also unbounded in the cache needed if you get long strings of things the do (or don't) confirm the predicate.
On Mon, Jun 6, 2022 at 7:06 AM Stephen J. Turnbull < stephenjturnb...@gmail.com> wrote: > Christopher Barker writes: > > > How do you divide a sequence into two sequences cleanly? > > I don't know how to do it in a one liner, but > > yes = [] > no = [] > for elem in seq: > (yes if test(elem) else no).append(elem) > > seems pretty clean to me. > > _______________________________________________ > Python-ideas mailing list -- python-ideas@python.org > To unsubscribe send an email to python-ideas-le...@python.org > https://mail.python.org/mailman3/lists/python-ideas.python.org/ > Message archived at > https://mail.python.org/archives/list/python-ideas@python.org/message/BBVBDT7KJTTOD5VQYIHBCQBU5QV32ZUB/ > Code of Conduct: http://python.org/psf/codeofconduct/ > -- Keeping medicines from the bloodstreams of the sick; food from the bellies of the hungry; books from the hands of the uneducated; technology from the underdeveloped; and putting advocates of freedom in prisons. Intellectual property is to the 21st century what the slave trade was to the 16th.
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