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From: Ian Kelly <ian.g.kelly@gmail.com>
Date: Fri, 7 Mar 2014 11:23:10 -0700
Subject: Re: Tuples and immutability
To: Python <python-list@python.org>
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On Fri, Mar 7, 2014 at 4:51 AM, Alister <alister.ware@ntlworld.com> wrote:
> I would think it would be better if the exception was thrown before the
> assignment to the list took place
> simply seeing that a modification action was being applied to a tupple
> should be enough.
> this would alert the programmer to the fact that he was trying something
> that may have undesired consequences

Then the behavior of tuples would be inconsistent with other immutable
types.  This can't be applied generally, because the Python
interpreter doesn't generally know whether a given type is supposed to
be immutable or not.