Exercise 9
==========

.. admonition:: Start your assignment

    You can start working on your copy of Exercise 9 by `accepting the GitHub Classroom assignment <https://classroom.github.com/a/iKkTE53l>`__.

    **Exercise 9 is due by midnight on 13.11**.

You can also take a look at the open course copy of `Exercise 9 in the course GitHub repository <https://github.com/IntroQG-2017/Exercise-9>`__ (does not require logging in).
Note that you should not try to make changes to this copy of the exercise, but rather only to the copy available via GitHub Classroom.