python 3: sorting with a comparison function

[Kay Schluehr]

On 10 Okt., 23:04, Terry Reedy <tjre... at udel.edu> wrote:
> Kay Schluehr wrote:
> > Me too because I don't get this:
>
> > "key specifies a function of one argument that is used to extract a
> > comparison key from each list element: key=str.lower. The default
> > value is None."
>
> I am not sure what you do not get, but it should say 'for example,
> key=str.lower."  None is the default value of key.

See the discussion above.