It takes a bit of time to get used to seeing / between what you might think of as strings. But remember that dirname isn't a string; rather, it's a Path object. And / is a Python operator, which means ...

This change can make it easier for developers to write and read code that uses F strings. Python 3.12 also brings changes related to types and type annotations.

You're taking a new programming class this fall, and you don't know anything about code. Python is taught widely in schools, and it's one of the most loved programming languages because it's simple.