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Re: sort(*, key=None, reverse=None)

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  Re: sort(*, key=None, reverse=None) Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-12-21 07:59 +0000

#62472 — Re: sort(*, key=None, reverse=None)

On 21/12/2013 07:35, Chris Angelico wrote:
> On Sat, Dec 21, 2013 at 6:24 PM, Mark Lawrence <breamoreboy@yahoo.co.uk> wrote:
>> On 21/12/2013 07:20, Devin Jeanpierre wrote:
>>>
>>> On Fri, Dec 20, 2013 at 11:16 PM, Mark Lawrence <breamoreboy@yahoo.co.uk>
>>> wrote:
>>>>
>>>> The subject refers to the list sort method given here
>>>> http://docs.python.org/3/library/stdtypes.html#list.  I believe that the
>>>> "*," bit is simply a typo, given that the docs also state "sort() accepts
>>>> two arguments that can only be passed by keyword".  Am I correct?
>>>
>>>
>>> It's good practice in technical writing to repeat yourself: once in
>>> the formal spec, and once in plain english. I don't see why this would
>>> be a typo.
>>>
>>> -- Devin
>>>
>>
>> So what is it actually saying?
>
> def func(x, y, *moreargs, foo, bar):
>      pass
>
> Any positional args after x and y will go into moreargs, so foo and
> bar have to be specified by keywords. (And are mandatory, since I
> didn't default them.) If moreargs isn't given a name, then additional
> positional args are forbidden, but the requirements on foo and bar are
> the same.
>
> ChrisA
>

Thanks, you learn something new every day.  Or, at my age, you relearn 
something you've forgotten :)  Now where was I...

-- 
My fellow Pythonistas, ask not what our language can do for you, ask 
what you can do for our language.

Mark Lawrence

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