added a sort function as a bonus. Cleaned up some comments
added a sort function as a bonus. Cleaned up some comments

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