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Thu Feb 11 11:52:31 EST 2016 · https://mail.python.org/pipermail/python-dev/2016-February/143295.html

On 11Feb2016 0651, Barry Warsaw wrote:
> On Feb 11, 2016, at 09:22 AM, Georg Brandl wrote:
>
>> based on the feedback so far, I revised the PEP.  There is now
>> a much simpler rule for allowed underscores, with no exceptions.
>> This made the grammar simpler as well.
>
> I'd be +1, but there's something missing from the PEP: what the underscores
> *mean*.  You describe the syntax nicely, but not the semantics.
>
>  From reading the examples, I'd guess that the underscores are semantically
> transparent, meaning that the resulting value is the same if you just removed
> the underscores and interpreted the resulting literal.
>
> Right or wrong, could you please add a paragraph explaining the meaning of the
> underscores?

Glad I kept reading the thread this far - just pretend I also wrote 
exactly the same thing as Barry.

Cheers,
Steve

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Showing content from https://mail.python.org/pipermail/python-dev/2016-February/143295.html below:

[Python-Dev] PEP 515: Underscores in Numeric Literals