In the Python lesson sections, Errors and Exceptions and Command Line programs, scripts, e.g. readings_04.py, are referenced but not provided in the initial data download. When preparing the class, @LeahRoberts had to track down the scripts on GitHub and then convert them to Python 3 so they would work. Has anyone else had this problem or are the Python 3 scripts available somewhere we don't know about? If so, can the lesson be updated so they are easier to find.