How i can stop the repetitions of the refresh buton plz help

Question

https://code.sololearn.com/W176RCUi9vU1/?ref=app

Answer 1

r represents if bar is running

https://code.sololearn.com/WQaTomupXR2u/?ref=app

Answer 2

Arnesh don't know...
I stopped further run.

Answer 3

Oma Falk , shouldn't the refresh button restart the loading bar? The question is about the repetitions...

https://code.sololearn.com/W1UTXad957d9/?ref=app