関連ワード:  sudo apt install build essential python3 dev    sudo apt install build essential libssl dev libffi dev python3 dev    sudo apt get install build essential libssl dev libffi dev python3 dev    sudo apt get install python3 dev default libmysqlclient dev build essential    sudo apt install python3 7 dev libssl dev libffi dev build essential python3 7    sudo apt install build-essential    sudo apt get install build essential  
結果 : sudo apt install build essential python3 dev