On 16.10.2016 09:35, Alireza Rafiei wrote:
Awesome! Thanks for the thorough explanation.

Indeed. I also didn't know about that detail of reversing. :) Amazing. (Also welcome to the list, Alireza.)

        def multisort(xs, specs):
            for key, reverse in reversed(specs):
                xs.sort(key=key, reverse=reverse)

    That's all it takes!  And it accepts any number of items in `specs`.
    Before you worry that it's "too slow", time it on real test data.
    `.sort()` is pretty zippy, and this simple approach allows using
    simple key functions.  More importantly, it's much easier on your
    brain ;-)

Do you think that simple solution could have a chance to be added to stdlib somehow (with the possibility of speeding it up in the future)?

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