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From: Terry Reedy <tjreedy@udel.edu>
Subject: Re: Single underscore in interactive mode
Date: Wed, 25 Jun 2014 14:30:08 -0400
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On 6/25/2014 11:20 AM, candide wrote:
> According to the official documentation (The Python Language Reference, Release 3.2):
>
>
> -----------------------------------
> The special identifier _ is used in the interactive interpreter to
> store the result of the last evaluation;
> -----------------------------------
>
>
> This description is not very specific.

Please say either in a tracker issue or here where you found this 
statement. I think 'evaluation' should be changed to 'non-None 
expression statement' and 'see sys.displayhook' added, linked to the 
entry in the sys doc.


-- 
Terry Jan Reedy