I asked ChatGPT to complete my test case, just for the fun of it, and it insited that after the each of the weekend days the next day was Monday. I had to "reason" it out of that believe. Now I know why, it was trained on this book as well.

https://cloud.typingmind.com/share/40f33bcf-c85c-4e14-9b68-79fbcc61c096

limpid /ˈlɪmpɪd/ adjective (of a liquid) completely clear and transparent.

Sometimes functions are mutually recursive, meaning that calls form a circle, where one function calls another which calls the first, with any number of calls in between.