#class Registrar:
#       def__init__(self,student_list, prof_list, course_list):
#               self.student_list = list
#               self.prof_list = list
#               self.course_list = list

        #def list_student

course_list = ["Math"]

class Student:
        def __init__(self, name, id):
                self.name = name
                self.id = id
                self.student_schedule = []
        def add_course(self, course_name):
                self.course_name = course_name
                if course_name in course_list: ###from Registrar, add check for time conditions
                       self.student_schedule.append(course_name)
                else:
                        print ("Course not in course list")
        def remove_course(self, course_name):
                self.course_name = course_name
                if course_name in self.student_schedule:
                        self.student_schedule.remove(course_name)
                else:
                        print("Course not found")

class Prof:
        def __init__(self, name):
                self.name = name
                self.prof_schedule = []

        def add_course(self, course_name):
                self.course_name = course_name
                if course_name in course_list: ###from Registrar, add check for time conditions
                       self.prof_schedule.append(course_name)
                else:
                        print ("Course not in course list")

        def remove_course(self, course_name):
                self.course_name = course_name
                if course_name in self.prof_schedule:
                        self.prof_schedule.remove(course_name)
                else:
                        print("Course not found")

class Course:
        def __init__(self):
                self = self

        def create_course(self, name, prof, start_time, end_time, location):
                        self.name = name
                        self.prof = prof
                        self.start_time = start_time
                        self.end_time = end_time
                        self.location = location