python virtualenv basic command: 一些基本的python virtuel environment的指令。
install virtualenv in ubuntu 18.04 $ wget https://bootstrap.pypa.io/get-pip.py $ sudo python3 get-pip.py $ sudo pip install virtualenv virtualenvwrapper $ sudo rm -rf ~/get-pip.py ~/.cache/pip python virtualenv basic command: workon : list all your virtual environments. mkvirtualenv : create a new environment e.g. > mkvirtualenv mlpy37env -p python3.7 rmvirtualenv : remove a exists environment. deactivate : akes you to your system environment. You can activate any of your virtual environments again at any time。