I love Codecademy and I appreciate the fact that the courses are free. I'm giving feedback about the indicated duration of courses. It's not actually 13 hours for Python, it's more like 40 hours. So maybe you could estimate double or triple the time of what you've indicated now for all courses.
I know you're thinking that the short duration motivates people more, but it just ends up in disappointment and different expectations. Thanks a lot for a great opportunity to learn coding!