old_contents: from django.db import models
  
  # Create your models here.
  
new_contents: from django.db import models
  
  
  class Tag(models.Model):
      name = models.CharField(max_length=256, unique=True)
      description = models.CharField(max_length=256, blank=True)
  
      def __str__(self):
          return str(self.name)
  
  
  class Challenge(models.Model):
      name = models.CharField(max_length=16, unique=True)
      problem = models.CharField(max_length=256)
      hints = models.CharField(max_length=256, blank=True)
      tags = models.ManyToManyField(Tag)
      flag = models.CharField(max_length=256)
  
      def __str__(self):
          return str(self.problem)
  
subject: Create models for jeopardyctf