Need to store two or three data fields, which storage method to choose?

Question

Python

Need to store two or three data fields, which storage method to choose? A full database seems redundant than can be substituted for quick access. I write in Python. I don't want to use a separate file for storage in a simple array or list.
telegram-bot state storage and authorization by phone

Answer 1

Vedis.
Here is a full lesson on how to store user states when working with Telegram Bot

Answer 2

As a variant of SQLlite. The Python standard library has libraries for working with it.

Answer 3

Write in JSON format. And then there are the bases. As a simple embedded sql database, there is SQLite - it is represented by a built-in library.