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Thu Apr 17 21:23:42 CEST 2014 · http://mail.python.org/pipermail/python-dev/2014-April/134113.html

It's definitely something that should be put in some documentation,
probably at the point when people have learned enough to be designing their
own programs where this issue comes up -- before they're wizards but well
after they have learned the semantic differences between lists and tuples.

On Thu, Apr 17, 2014 at 11:49 AM, Brett Cannon <bcannon at gmail.com> wrote:

>
>
> On Thu Apr 17 2014 at 2:43:35 PM, Leandro Pereira de Lima e Silva <
> leandropls at cpti.cetuc.puc-rio.br> wrote:
>
>> Hello there!
>>
>> I've stumbled upon this discussion on python-dev about what the choice
>> between using a list or a tuple is all about in 2003:
>> 1. https://mail.python.org/pipermail/python-dev/2003-March/033962.html
>> 2. https://mail.python.org/pipermail/python-dev/2003-March/034029.html
>>
>> There's a vague comment about it on python documentation but afaik there
>> the discussion hasn't made into any PEPs. Is there an understanding about
>> it?
>>
>
> Think of tuples like a struct in C, lists like an array. That's just out
> of Guido's head so I don't think we have ever bothered to write it down
> somewhere as an important distinction of the initial design that should be
> emphasized.
>
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-- 
--Guido van Rossum (python.org/~guido)
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[Python-Dev] List vs Tuple / Homogeneous vs Heterogeneous