How to make a global, immutable variable in Django?

Question

Django

I need a variable in Django that stays the same until the user logs out of the site.
That is: I once declared a variable, and even after reloading the site, even after switching to another page, it should have the value that I assigned to it at the very beginning.
I need this for:
So that after the user registers, he does not register again when the site is reloaded, and when he goes to the next page, he remains registered or logged in.

Answer 1

Set a cookie. If they cannot be changed by the user, set signed cookies

Answer 2

If you don't understand how django works, follow the tutorial from off site or from django girls

Answer 3

The Soviet state issued the Volga to the honorary reindeer herder. After some time, the journalists decided to find out the opinion of the Chukchi about the award. "Good car." - the Chukchi answers - "It's warm in the cabin, the headlights illuminate the tundra. Only dogs get tired quickly, however."