play with model in python shell.txt

$ python manage.py shell
Python 3.11.2 (tags/v3.11.2:878ead1, Feb  7 2023, 16:38:35) [MSC v.1934 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
(InteractiveConsole)
>>> from blog.models import Post
>>> from django.contrib.auth.models import User
>>> Post.objects.all()
<QuerySet [<Post: 1st Blog>]>
>>> user = User.objects.filter(username='admin').first()
>>> user.id
1
>>> user.pk
1
>>> post2 = Post(title='Blog 2',content='Second Post',author=user)
>>> post2.save()
>>> Post.objects.all()
<QuerySet [<Post: 1st Blog>, <Post: Blog 2>]>
>>> post = Post.object.first()
Traceback (most recent call last):
  File "<console>", line 1, in <module>
AttributeError: type object 'Post' has no attribute 'object'
>>> post = Post.objects.first()
>>> post
<Post: 1st Blog>
>>> post.content
'Welcome'
>>> post.date_posted
datetime.datetime(2023, 3, 29, 13, 46, 58, 627323, tzinfo=datetime.timezone.utc)
>>> post.author
<User: admin>
>>> post.author.email
'thisishaque3@gmail.com'
>>> post.author.username
'admin'
>>> user
<User: admin>



#### importent .set



>>> user.post_set
<django.db.models.fields.related_descriptors.create_reverse_many_to_one_manager.<locals>.RelatedManager object at 0x000001F0AD3E4FD0>
>>> user.post_set.all()
<QuerySet [<Post: 1st Blog>, <Post: Blog 2>]>
>>> user.post_set.create(title='Blog 3',content='post using post_set')
<Post: Blog 3>
>>> Post.objects.all()
<QuerySet [<Post: 1st Blog>, <Post: Blog 2>, <Post: Blog 3>]>
>>>