[Tutor] why no chaining?

[Timo]

Op 12-04-15 om 09:58 schreef Alan Gauld:
>
> Aside:
> Normally you would use the help() function to find out
> how methods work and what they return but sadly the
> documentation for the in-place methods doesn't indicate
> the return is None. Some of them have a warning that
> its "IN PLACE" but remove does not. Which is a pity.
>
> >>> help([].sort)
> Help on built-in function sort:
>
> sort(...)
>     L.sort(cmp=None, key=None, reverse=False) -- stable sort *IN PLACE*;
>     cmp(x, y) -> -1, 0, 1
> (END)
>
> >>> help([].remove)
> Help on built-in function remove:
>
> remove(...)
>     L.remove(value) -- remove first occurrence of value.
>     Raises ValueError if the value is not present.
> (END)
>
> Personally I think it would help if the first lines
> for these methods read like:
>
> remove(...) -> None
>    L.remove...etc
Are you using Python 2? Because this is what I get in Python 3:

remove(...)
     L.remove(value) -> None -- remove first occurrence of value.
     Raises ValueError if the value is not present.

The same for help(list.sort) BTW.

Timo