text: from django.db import models
  
  
  class Departament(models.Model):
      name = models.CharField(max_length=255, unique=True)
  
      class Meta:
          ordering = ['name']
  
      def __str__(self):
          return self.name
  
  
  class Employee(models.Model):
      name = models.CharField(max_length=255, unique=True)
      email = models.EmailField()
      departament = models.ForeignKey(Departament,
                                      models.SET_NULL,
                                      blank=True,
                                      null=True)
  
      class Meta:
          ordering = ['name']
  
      def __str__(self):
          return self.name
  