Homework Session05
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Catch up!
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* Finish the LABs from today
  - Exceptions lab

* Catch up from last week.

  - Add Exception handling to mailroom
  - And list (and dict, and set) comprehensions...

* If you've done all that -- check out the collections module:

  - https://docs.python.org/3.5/library/collections.html
  - here's a good overview: https://pymotw.com/3/collections/

Material to review before next week
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**Unit Testing:**

* Dive into Python: chapter 9:
  http://www.diveintopython3.net/unit-testing.html

NOTE: you will find that most introductions to unit testing with Python use the builtin ``unitest`` module. However, it is a bit heavyweight, and requires some knowledge of OOP -- classes, etc. So we'll be using pytest in this class: http://doc.pytest.org/en/latest/. But the principles of testing are the same.

* Ned Batchelder's intro to testing presentation:

  - http://nedbatchelder.com/text/test0.html

** Advanced Argument Passing

* arguments and parameters:

  - http://stupidpythonideas.blogspot.com/2013/08/arguments-and-parameters.html

  - https://pythontips.com/2013/08/04/args-and-kwargs-in-python-explained/