When I first tried this course a few month ago, the little helpers (think clippy) were driving me nuts!
Half way through writing a line of code they would pop up and tell me that my code couldn't execute, maybe I should add a semi colon. It's really distracting and of course code can't execute when you are in the middle of typing an if-statement. It is not helpful at all.
On top of that there's no "submit" button (because it is supposed to test continuously) so sometimes when I was done it wouldn't test the code and made it impossible to get a "completion" on parts.