old_contents: from django.db import models
  
  # Create your models here.
  
new_contents: from django.db import models
  from django.utils import timezone
  import datetime
  
  
  class Poll(models.Model):
  	question = models.CharField(max_length=255)
  	pub_date = models.DateTimeField('date published')
  	def __unicode__(self):
  		return self.question
  	def was_published_recently(self):
  		return self.pub_date >= timezone.now() - datetime.timedelta(days=1)
  	was_published_recently.admin_order_field = 'pub_date'
  	was_published_recently.boolean = True
  	was_published_recently.short_description = 'Published recently?'
  
  class Choice(models.Model):
  	poll = models.ForeignKey(Poll)
  	choice_text = models.CharField(max_length=255)
  	votes = models.IntegerField(default=0)
  	def __unicode__(self):
  		return self.choice_text
  
subject: Improve database model and apperance for admin site