[docs] [issue19836] selectors: improve examples section

[Guido van Rossum]

Guido van Rossum added the comment:

Here's my suggestion.  It can use a lot of cleaning up, but it shows the fundamentals of a selector-based I/O loop.

----------
Added file: http://bugs.python.org/file32896/echo.py

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue19836>
_______________________________________