Fixed formatting and touched up content.
Fixed formatting and touched up content.

razzius/PyClassLessons,PyClass/PyClassLessons,razzius/PyClassLessons,noisebridge/PythonClass,razzius/PyClassLessons,PyClass/PyClassLessons,noisebridge/PythonClass,noisebridge/PythonClass,noisebridge/PythonClass,razzius/PyClassLessons,PyClass/PyClassLessons