How to find any documentation for smbus?

[Dieter Maurer]

Chris Green wrote at 2023-10-28 17:08 +0100:
>I am using the python3 smbus module, but it's hard work because of the
>lack of documentation.  Web searches confirm that the documentation is
>somewhat thin!
>
>If you do the obvious this is what you get:-
>
>    >>> import smbus
>    >>> dir (smbus)
>    ['SMBus', '__doc__', '__file__', '__loader__', '__name__', '__package__', '__spec__']
>    >>> help(smbus)
> ...

What does `help(smbus.SMBus`) tell you?

Almost surely, `SMBus` is a class providing the main access methods.