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Sun Aug 9 03:08:59 CEST 2015 · http://mail.python.org/pipermail/python-dev/2015-August/141146.html

On 8 August 2015 at 11:39, Eric V. Smith <eric at trueblade.com> wrote:

> Following a long discussion on python-ideas, I've posted my draft of
> PEP-498. It describes the "f-string" approach that was the subject of
> the "Briefer string format" thread. I'm open to a better title than
> "Literal String Formatting".
>
> I need to add some text to the discussion section, but I think it's in
> reasonable shape. I have a fully working implementation that I'll get
> around to posting somewhere this weekend.
>
> >>> def how_awesome(): return 'very'
> ...
> >>> f'f-strings are {how_awesome()} awesome!'
> 'f-strings are very awesome!'
>
> I'm open to any suggestions to improve the PEP. Thanks for your feedback.
>

I'd like to see an alternatives section, in particular listing alternative
prefixes and why they weren't chosen over f. Off the top of my head, ones
I've seen listed are:

!
$

Tim Delaney
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[Python-Dev] PEP-498: Literal String Formatting