old_contents: from django.db import models
  
  class Team(models.Model):
      name = models.CharField(max_length=100)
      description = models.TextField()
      url = models.URLField()
      image_url = models.CharField(max_length=500)
  
      def __str__(self):
          return self.name
  
  
  class Job(models.Model):
      team = models.ForeignKey(
          Team,
          on_delete=models.SET_NULL,
          null=True,
      )
      title = models.CharField(max_length=100)
      apply_url = models.URLField()
  
      def __str__(self):
          return self.title
  
new_contents: from django.db import models
  
  
  class Team(models.Model):
      name = models.CharField(max_length=100)
      description = models.TextField()
      url = models.URLField()
      image_url = models.CharField(max_length=500)
  
      def __str__(self):
          return self.name
  
  
  class Job(models.Model):
      team = models.ForeignKey(
          Team,
          on_delete=models.SET_NULL,
          null=True,
      )
      title = models.CharField(max_length=100)
      apply_url = models.URLField()
  
      def __str__(self):
          return self.title
  
  
  class Mentor(models.Model):
      name = models.CharField(max_length=100)
      description = models.TextField()
  
      def __str__(self):
          return self.name
  
  
  class Meetup(models.Model):
      name = models.CharField(max_length=100)
      description = models.TextField()
  
      def __str__(self):
          return self.name
  
  
  class Coworking(models.Model):
      name = models.CharField(max_length=100)
      description = models.TextField()
  
      def __str__(self):
          return self.name
  
subject: add mentors, meetup and coworking models