Perfect!
I've added several mentions to ":results output" to the tutorial:
  http://angg.twu.net/eev-intros/find-org-intro.html
Thanks a lot! =)
  Eduardo
    http://angg.twu.net/#eev


On Sun, 10 Nov 2019 at 14:13, Ken Mankoff <mankoff@gmail.com> wrote:

On 2019-11-10 at 15:36 +01, Eduardo Ochs <eduardoochs@gmail.com> wrote...
> Changing the Python source block to
>
> #+BEGIN_SRC python :output results
>
> Are you sure that you wrote it correctly?

I'm pretty sure I did not. Try ":results output"

  -k.