Recursive code returns None

Become part of the top 3% of the developers by applying to Toptal https://topt.al/25cXVn

--

Music by Eric Matyas
https://www.soundimage.org
Track title: Hypnotic Puzzle2

--

Chapters
00:00 Question
00:39 Accepted answer (Score 6)
00:58 Thank you

--

Full question
https://stackoverflow.com/questions/2231...

--

Content licensed under CC BY-SA
https://meta.stackexchange.com/help/lice...

--

Tags
#python #recursion #return #nonetype

#avk47