python cmd

1. 本地开启python API查询服务器 

$ python -m pydoc -p 5555

2. invoke specail version python's pip, and use special version pip to install

$ sudo python3.4 get-pip.py

$ sudo python3.4 -m pip install django==1.9

3. 安装python3.6

sudo add-apt-repository ppa:deadsnakes/ppa
sudo apt-get update
sudo apt-get install python3.6