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comp / comp.lang.python / Re: Flubbed it in the second interation through the string: range error... HOW?

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o Re: Flubbed it in the second interation through the string: range error... HOW?Thomas Passin

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Subject: Re: Flubbed it in the second interation through the string: range error... HOW?
From: Thomas Passin
Newsgroups: comp.lang.python
Date: Wed, 29 May 2024 11:54 UTC
References: 1 2 3 4
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From: list1@tompassin.net (Thomas Passin)
Newsgroups: comp.lang.python
Subject: Re: Flubbed it in the second interation through the string: range
error... HOW?
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On 5/29/2024 3:14 AM, Chris Angelico via Python-list wrote:
> On Wed, 29 May 2024 at 16:03, Cameron Simpson via Python-list
> <python-list@python.org> wrote:
>> By which Thomas means stuff like this:
>>
>> print(f'if block {name[index]} and index {index}')
>>
>> Notice the leading "f'". Personally I wouldn't even go that far, just:
>>
>> print('if block', name[index], 'and index', index)
>>
>> But there are plenty of places where f-strings are very useful.
>
> I wouldn't replace str.format() everywhere, nor would I replace
> percent encoding everywhere - but in this case, I think Thomas is
> correct. Not because it's 2024 (f-strings were brought in back in
> 2015, so they're hardly chronologically special),

I only meant that they have been around for 9 years and are usually more
readable, so just change over already. I had some inertia over them
myself (imagine sticking with % formatting!) so I understand.

> but because most of
> this looks like debugging output that can take advantage of this
> feature:
>
> print(f"if block {name[index]=} {index=}")
>
> ChrisA

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