Oh nice, this could be my new favorite thing. It's less lonely than the usual. It's great for warming up, basically just trying to code from memory instead of relying on docs.

I love that it yells at me for naming my variables "xxx" too. I also love that it goes all "Candidate did not follow instructions" when it tells me not to use a specific function, but also tells me that the solution would get the right answer. It's just one of those things you wouldn't try on a real interviewer, but want to try to see if it works.

But $96 per year is quite a commitment for something that I could get bored of next week. Would be nice if there was a monthly option.