Arrays are super useful. If you want even more details about python and arrays - this is a very useful site from Cornell. My python-foo will probably never catch up with The Virtuosi.

Learn how this popular Python library accelerates math at scale, especially when paired with tools like Cython and Numba.

Overview The right Python libraries can dramatically improve speed, efficiency, and maintainability in 2025 ...

Im guessing this is built into the language, but I can't seem to find anything on it, and I'm just trying to get it done, so here I am to ask. Have a nested array that my function is returning ...