Fixed typo in float representation in print statement.
Added dataset.py to 9_math and updated documentation for the lesson plan.
Added the rot13 practical coding module.
Updated rot13 md.
Updated rot13 md.
Updated rot13 md.
Reformatted code and added notes in rot13.py.
Updated comments in rot13.py.
removed unnecessary raw string
lesson plan for flask class
corrected markdown
final lesson-plan.md
final lesson-plan.md
final lesson-plan.md wtf markup
directory structure for flask example project
tweaked lesson plan and run.py