1.
505 sudo pip install -i https://pypi.tuna.tsinghua.edu.cn/simple --upgrade virtualenv
506 virtualenv --system-site-packages virtualenv01
507 cd virtualenv01/
508 ls
509 source ./bin/activate
510 easy_install -U pip
512 pip -V
513 pip install -i https://pypi.tuna.tsinghua.edu.cn/simple --upgrade tensorflow
https://www.tensorflow.org/install/install_mac?hl=zh-cn
https://mirrors.tuna.tsinghua.edu.cn/anaconda/archive/
https://www.jianshu.com/p/2ea7a0632239