should python asyncio task always return something?

It may sound like a dumb questions but I could not find a clear answer .

I can read, in the asyncio doc here:

done()
Return True if the Task is done.

MEDevel.com: Open-source for Healthcare and Education

Collecting and validating open-source software for healthcare, education, enterprise, development, medical imaging, medical records, and digital pathology.

Visit Medevel

A Task is done when the wrapped coroutine either returned a value, raised an exception, or the Task was cancelled.

does this mean that whatever coroutine I created , It must always return something and not simply end when the job is done ??
If yes , what is the most pythonic way to do it ?
return 0 or return None ?

>Solution :

All python functions return None upon completion if not explicitly provided a return value so you don’t need to explicitly return anything. If you need to return early you can use just return without any value which is equivalent to return None.