code: def create_reset_score(cls, student_item):
          
          # By setting the "reset" flag, we ensure that the "highest"
          # score in the score summary will point to this score.
          # By setting points earned and points possible to 0,
          # we ensure that this score will be hidden from the user.
          return cls.objects.create(
              student_item=student_item,
              submission=None,
              points_earned=0,
              points_possible=0,
              reset=True,
          )
docs: Create a "reset" score (a score with a null submission).
  
          Only scores created after the most recent "reset" score
          should be used to determine a student's effective score.
  
          Args:
              student_item (StudentItem): The student item model.
  
          Returns:
              Score: The newly created "reset" score.
  
          Raises:
              DatabaseError: An error occurred while creating the score