rm77

import copy

class Course:
	def __init__(self,course_id,course_title,course_price,course_level_begin,course_level_end):
		self.course_id = course_id
		self.course_title = course_title
		self.course_price = course_price
		self.reputation = 0
		self.school = ''
		self.course_pre = 0

rm77

class Author:
	def __init__(self,author_id,author_name):
		self.author_id = author_id
		self.author_name = author_name
	def get_id(self):
		return self.author_id
	def get_author_name(self):
		return self.author_name