returned clean_cards.py to rightful place
returned clean_cards.py to rightful place

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