instructions

sudo add-apt-repository ppa:deadsnakes/ppa

sudo apt upgrade

sudo apt install python3.11

python3 — version

sudo update-alternatives — install /usr/bin/python3 python3 /usr/bin/python3.11 1

sudo update-alternatives — install /usr/bin/python3 python3 /usr/bin/python3.8 2

sudo update-alternatives — config python3