Why the list creates in two different ways? Does it cause by the mutability of its elements? Where the Python document explains it?

[Chris Angelico]

On Thu, Jun 17, 2021 at 2:32 AM Dieter Maurer <dieter at handshake.de> wrote:
>
> Chris Angelico wrote at 2021-6-16 02:20 +1000:
> >On Wed, Jun 16, 2021 at 2:18 AM Dieter Maurer <dieter at handshake.de> wrote:
> >> As far as I know, there are no guarantees are the language level.
> >> There are some (partially documented) implementation details
> >> for CPython (which is just one possible implementation).
> >
> >Yes there are - plenty of them :) The example I gave is a language
> >guarantee.
>
> Would you point to the documentation location where this is guaranteed?
>

Probably somewhere in the tutorial where object identity is explained?
Not sure. It's pretty fundamental.

ChrisA