text: from django.db import models
  from django.urls import reverse
  
  class Dive(models.Model):
      title = models.CharField(max_length=200)
      author = models.ForeignKey('auth.User', on_delete=models.CASCADE)
      body = models.TextField()
  
      def __str__(self):
          return self.title
  
      def get_absolute_url(self):
          return reverse('dive_details', args=[self.id])
  
       