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To: python-list@python.org
From: Terry Reedy <tjreedy@udel.edu>
Subject: Re: sum() requires number, not simply __add__
Date: Fri, 24 Feb 2012 16:58:11 -0500
References: <91c71e41-b98c-46f6-b3af-bed894cf9d92@kh11g2000pbb.googlegroups.com> <41177e2c-3cf7-4678-8594-5a81290eaa4d@ub4g2000pbc.googlegroups.com> <CAJ6cK1bzw23=_bx-85HTUksQD8nFMhFijs_xJiMeQYCc4kHQcw@mail.gmail.com> <mailman.92.1330034033.3037.python-list@python.org> <4f46ccd2$0$29986$c3e8da3$5496439d@news.astraweb.com> <mailman.123.1330083762.3037.python-list@python.org> <roy-21CF01.08235324022012@news.panix.com>
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On 2/24/2012 8:23 AM, Roy Smith wrote:
> In article<mailman.123.1330083762.3037.python-list@python.org>,
>   Antoon Pardon<antoon.pardon@rece.vub.ac.be>  wrote:
>
>>> Python doesn't try to prevent people from shooting themselves in the foot.
>>>
>> Yes it does! A simple example is None as a keyword to prevent
>> assignments to it.
>
> Hmmm.  Just playing around with some bizarre things to do with None, and
> discovered this:
>
>>>> import sys as None
>
> doesn't give an error, but also doesn't assign the module to the symbol
> 'None'.  Weird.

In 3.2
 >>> import sys as None
SyntaxError: invalid syntax

-- 
Terry Jan Reedy