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From: Ian Kelly <ian.g.kelly@gmail.com>
Date: Wed, 4 Dec 2013 01:57:28 -0700
Subject: Re: Why is there no natural syntax for accessing attributes with names not being valid identifiers?
To: Python <python-list@python.org>
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On Tue, Dec 3, 2013 at 11:31 PM, rusi <rustompmody@gmail.com> wrote:
> Its a more fundamental problem than that:
> It emerges from the OP's second post) that he wants '-' in the attributes.
> Is that all?
>
> Where does this syntax-enlargement stop? Spaces? Newlines?

At non-strings.

>>> setattr(foo, 21+21, 42)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: attribute name must be string, not 'int'