Making Classes Subclassable

[Ian Kelly]

On Mon, Jul 4, 2016 at 2:34 AM, Lawrence D’Oliveiro
<lawrencedo99 at gmail.com> wrote:
> On Monday, July 4, 2016 at 7:58:07 PM UTC+12, dieter wrote:
>> --> "type(obj)" or "obj.__class__" (there are small differences)
>> give you the type/class of "obj".
>
> When would it not be the same?

I think the only remaining difference in Python 3 is that
obj.__class__ is assignable and type(obj) is not. For most uses,
type(obj) would be preferred though, in the same way that len(obj) is
preferable to obj.__len__().