queryset o que c3 a9

1>>> Post.objects.filter(published_date__lte=timezone.now())
2<QuerySet [<Post: Sample title>]>
3

1>>> Post.objects.filter(published_date__lte=timezone.now()).order_by('published_date')
2<QuerySet [<Post: Post number 2>, <Post: My 3rd post!>, <Post: 4th title of post>, <Post: Sample title>]>
3

1>>> Post.objects.filter(author=me)
2<QuerySet [<Post: Sample title>, <Post: Post number 2>, <Post: My 3rd post!>, <Post: 4th title of post>]>
3

1>>> post.publish()
2

1>>> Post.objects.create(author=me, title='Sample title', text='Test')
2

1>>> Post.objects.filter(title__contains='title')
2<QuerySet [<Post: Sample title>, <Post: 4th title of post>]>
3

1>>> Post.objects.order_by('created_date')
2<QuerySet [<Post: Sample title>, <Post: Post number 2>, <Post: My 3rd post!>, <Post: 4th title of post>]>
3

1>>> Post.objects.order_by('-created_date')
2<QuerySet [<Post: 4th title of post>,  <Post: My 3rd post!>, <Post: Post number 2>, <Post: Sample title>]>
3

1>>> me = User.objects.get(username='ola')
2