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From: Dave Angel <davea@davea.name>
Subject: Re: Single underscore in interactive mode
Date: Wed, 25 Jun 2014 17:56:03 -0400 (EDT)
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Terry Reedy <tjreedy@udel.edu> Wrote in message:
> 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.
> 
> 
https://pydocs2cn.readthedocs.org/en/latest/reference/lexical_anal
ysis.html

https://docs.python.org/2/reference/lexical_analysis.html


-- 
DaveA