関連ワード:  install python3 9 apt    apt install python3 9 pip    apt install python3.9-venv    apt install python3 9 dev    sudo apt install python3 9    apt get install python3 9    sudo apt install python3 9 venv    sudo apt install python3 9 dev    sudo apt install python3 9 pip    apt get install python3 9 pip