text: from django.db import models
  from django.conf import settings
  
  
  class Volunteer(models.Model):
      email = models.EmailField(null=False)
      first_name = models.CharField(max_length=50)
      last_name = models.CharField(max_length=50)
      date_of_birth = models.DateField()
      city = models.CharField(max_length=50)
      subscribed_to_newsletter = models.BooleanField(default=True)
      phone_number = models.CharField(default=None, max_length=50)