[docs] [issue20683] Add example to tutorial namespace doc, section 9.2

[Berker Peksag]

Changes by Berker Peksag <berker.peksag at gmail.com>:


----------
resolution:  -> not a bug
stage:  -> resolved
status: pending -> closed

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue20683>
_______________________________________