It wont return list probaly?

[designsurfer44211]

https://gyazo.com/1cb07f30af7514a0570cc45689a37281

Can someone explain me why it doesnt turn doesnt stay as 0, but changes back to 1. Even though I returned the turn value?

“https://gyazo.com/1cb07f30af7514a0570cc45689a37281”