What can I do if the quiz in some challenge written with errors?F.e. in some quizes there are a ';' at the end of line in Phyton

Question

Errors in quiz

Answer 1

How can I Report to them? I have some screenshots of quises whith errors

Answer 2

Thank you. I made a bugreport using feedback,but I can't attach screenshotes. I know it's possible trough email, but on which address?