auto install
chmod +x install_python3.12.sh
sudo ./install_python3.12.sh
sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.6 2
sudo update-alternatives --config python3
sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.6 2
python3.12 -m venv myenv
source myenv/bin/activate
command-not-found error
sudo apt-get install --reinstall command-not-found
sudo apt-get update
python3.12 -m pip install CommandNotFound
sudo apt-get install python3.12-distutils
curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
python3.12 get-pip.py
sudo cp -r /usr/lib/python3/dist-packages/CommandNotFound /usr/local/lib/python3.12/dist-packages/