list indices must be integers or slices, not str

[Chris Angelico]

On Wed, 20 Jul 2022 at 23:50, Peter Otten <__peter__ at web.de> wrote:
>
> I found
>
> https://peps.python.org/pep-3101/
>
> """
> PEP 3101 – Advanced String Formatting
> ...
> An example of the ‘getitem’ syntax:
>
> "My name is {0[name]}".format(dict(name='Fred'))
>
> It should be noted that the use of ‘getitem’ within a format string is
> much more limited than its conventional usage. In the above example, the
> string ‘name’ really is the literal string ‘name’, not a variable named
> ‘name’. The rules for parsing an item key are very simple. If it starts
> with a digit, then it is treated as a number, otherwise it is used as a
> string.
>

Cool. I think this is a good justification for a docs patch, since
that really should be mentioned somewhere other than a historical
document.

ChrisA