Exercise 3
==========

.. admonition:: Start your assignment

    You can start working on your copy of Exercise 3 by `accepting the GitHub Classroom assignment <https://classroom.github.com/a/LkE-9OHL>`__.

    **Exercise 3 is due by Wednesday 21.11. at the end of the day**.

You can also take a look at the open course copy of `Exercise 3 in the course GitHub repository <https://github.com/AutoGIS-2018/Exercise-3>`__ (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.


Hints
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Add hints for Exercise 3 here if needed.