Not yet!

I have started a couple of weeks ago, doing the units in sequence. I watch the video, then read the compagnon notebook (redoing and toying with most of the given exemples), and finally answering the exercises.

I have completed units 1 to 19 so far, although I have a lot of trouble with the automatic grader for this unit: only one answer out of 15 was marked as "correct"! Which is unexpected since even question 12 is marked as incorrect even when using the code given in the video! In other words, even the solution provided as an exemple of question 12 in the course does not work!

Nevertheless, in my opinion, it's a good training that allows us to explore the many facets of the Wolfram Language.

What is your experience with this course?

Yes, you are probably right in assuming that an LLM is at work here. My guess is that some updates have not been made to the AI or that some changes have been made to WL that have broken the grader on this specific chapter about dates and times computations.

Thanks a lot for the pointer, Muhammad, I wasn't aware that the book was available online. I'am going to check the bonus chapter for this unit.

I couldn't agree more what you said about "misinterpreting the question." It happened to me on some of the previous chapters (here we are talking about a handful of questions for eighteen units). However, I would be really surprised if I misinterpreted 14 out of 15 questions just on a single chapter!

But I might be wrong and I will check first the bonus section of the book.