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Re: Unicode and Python - how often do you index strings?

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  Re: Unicode and Python - how often do you index strings? Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-06-04 09:22 +0100

#72616 — Re: Unicode and Python - how often do you index strings?

On 04/06/2014 01:39, Chris Angelico wrote:
> A current discussion regarding Python's Unicode support centres (or
> centers, depending on how close you are to the cent[er]{2} of the
> universe) around one critical question: Is string indexing common?
>
> Python strings can be indexed with integers to produce characters
> (strings of length 1). They can also be iterated over from beginning
> to end. Lots of operations can be built on either one of those two
> primitives; the question is, how much can NOT be implemented
> efficiently over iteration, and MUST use indexing? Theories are great,
> but solid use-cases are better - ideally, examples from actual
> production code (actual code optional).
>
> I know the collective experience of python-list can't fail to bring up
> a few solid examples here :)
>
> Thanks in advance, all!!
>
> ChrisA
>

Single characters quite often, iteration rarely if ever, slicing all the 
time, but does that last one count?

-- 
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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