[docs] [issue29981] Update Index for set, dict, and generator 'comprehensions'

[R. David Murray]

R. David Murray added the comment:

On the PR Berker wrote:

   I'm wondering if we should still advertise the use of set([...]). We replaced all instances of it with set literals in the stdlib.

set([...]) is part of the language, and the python documentation is also a specification of the language, so I think the reference *must* stay.

----------
nosy: +r.david.murray

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue29981>
_______________________________________