Laying out new material
Starting beginner's lessons on Python
Second beginner's lesson on Python
Third beginner's lesson on Python
Fourth beginner's lesson on Python
Renaming file to be consistent with hyphenation convention
Final two lessons on Python (still need challenges)
Removing .pyc files when cleaning
Updating based on feedback from @jdblischak
Adding challenges to the last two notebooks in the series
Updating based on feedback from @ahmadia
Merge branch 'master' into new-python-beginner-lessons
Moving assertions and unit testing to intermediate; not sure what to teach about defensive programming here
Material on QA from novice for recycling
Re-introducing unit testing
Rewriting material on testing
Defensive programming
Merge pull request #132 from gvwilson/new-python-beginner-lessons

New Python beginner lessons