Why this code isn't running, please help!!!

Question

I just want to oscillate it.
https://code.sololearn.com/W3By4l83szXn/?ref=app

Answer 1

This is the boolean or: || (line 19)
It's a common pythonista mistake

Answer 2

https://code.sololearn.com/WndgL6dF7FDk/?ref=app

Answer 3

Here it is

Answer 4

I got ot...