Extract lines from file, add to new files

[dn]

On 15/01/24 08:06, AVI GROSS via Python-list wrote:
...> You provided a way to create an anonymous function and that was not 
enough.
> I wonder if you could throw in the new := walrus operator to similarly make
> a named lambda function in a similar way.

Why would @Chris have anything to do with the 'walrus-operator'?

PS our interlocutor doesn't like colloquialisms such as these - despite 
them being near-and-dear to our hearts!

-- 
Regards,
=dn