def course_grading_policy(course_key):
 course = _retrieve_course(course_key)
 return GradingPolicySerializer(course.raw_grader, many=True).data

def course_grading_policy ( course_key ) : course = _retrieve_course ( course_key ) return GradingPolicySerializer ( course . raw_grader , many = True ) . data
retrieves the course grading policy .