What is a docstring and how does it work? (Python)

Question

I would like to know about docstring because the example of the lesson is not very clear to me, thank you very much

Answer 1

Full satisfactory explanation on;

https://www.python.org/dev/peps/pep-0257/

Answer 2

it's just inline comments that can be made up of multiple lines instead of # which only comments out the same line.