Lessons blocked

Question

Hi
i'm on the end of the 4th chapter of "python for beginner", and the last quiz is locked. It say something like " finish all the previous sections to unlock the next one or buy the pro version "
i dont understand, all is green, except the first chapter since the last time i used the app... it go Green to blue
so i do it again (several times), but it stay in blue.
Thanks in advance if somebody can explain me how to fix it.

Answer 1

Try updating the app. If the problem still exists write to [e-mail]

Answer 2

Hi and thnk you Praneetha
I'll try that !

Answer 3

I can continue Yeah ! Thanks a lot :-)