[Python-Dev] List vs Tuple / Homogeneous vs Heterogeneous / Mutable vs Immutable

[Guido van Rossum]

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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