old_contents: from __future__ import unicode_literals
  
  from django.db import models
  
  # Create your models here.
  
new_contents: from __future__ import unicode_literals
  
  from django.db import models
  
  # Create your models here.
  
  class Question(models.Model):
      question_text = models.CharField(max_length=200)
      pub_date = models.DateTimeField('date published')
  
  
  class Choice(models.Model):
      question = models.ForeignKey(Question, on_delete=models.CASCADE)
      choice_text = models.CharField(max_length=200)
      votes = models.IntegerField(default=0)
subject: Create model