You can make many methods
Over 100 to be exact
That start with two underscores
What do you think of that?
The runtime, it calls these
At points A or B
To do special magic
At runtime, you see.
You may have seen `__getattr__` or `__init__`
But `__rfloordiv__`? What’s the point of it?
Come take a quick tour, your mother won’t mind
And hear a talk that’s one-of-a-kind
About how Python uses them under-the-hood
And how _you_ can use them to write code that's real good