old_contents: from redis import StrictRedis
  
  class QuizDB(StrictRedis):
      def get_all_quizzes(self):
          return self.smembers('quiz')
  
new_contents: from redis import StrictRedis
  
  class QuizDB(StrictRedis):
      def get_all_quizzes(self):
          return self.smembers('quiz')
  
      def get_question(self, quizid, questionid):
          return self.hget("{0}:question".format(quizid), questionid)
  
  
subject: Add function to get a question