Notes:

Develop

Init venv

python3 -m venv .venv

Source venv

source .venv/bin/activate.fish

Install all libs

pip install -r requirements.txt

Build it in one binary

pyinstaller --onefile main.py --collect-all namelib1 namelib2

Create hash password

openssl passwd -6

Sort slot A/B logic

First time:
Slot A: 10_slot_a
Slot B: Nothing

Second time:
Slot A: 10_slot_a -> 15_slot_a
Slot B: Nothing -> 10_slot_b

Third time:
Slot A: 15_slot_a -> 10_slot_a
Slot B: 10_slot_b -> 15_slot_b

Fourth time:
Slot A: 10_slot_a -> 15_slot_b
Slot B: 15_slot_b -> 10_slot_b

+ Then repeat from fourth time to third time and again...