How do I use a dictionary to update fields in Django models?

Question

Suppose I have a model like this:

class Book(models.Model):
    num_pages = ...
    author = ...
    date = ...

Can I create a dictionary,

Answer 1

if you have already Django object and you want to update it's field, you may do it without filter. because you have it already, in this case, yoy may :

your_obj.__dict__update(your_dict)
your_obj.save()