Fixed formatting in lesson 9 numbers.
Fixed formatting in lesson 9 numbers.

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