how to add highscore? anyone can help me? please

Question

help -> https://code.sololearn.com/WITu1I6eLvMZ <-

Answer 1

see on my code

https://code.sololearn.com/W1O96yrdL6aU/?ref=app

https://code.sololearn.com/W77nu4xP7vqj/?ref=app