手动安装python3.6环境

sudo  apt-get  update 
sudo  apt-get  install  software-properties-common 
sudo  add-apt-repository  ppa:jonathonf/python-3.6 
sudo  apt-get  update 
sudo  apt-get  install  python3.6 
cd  /usr/bin 
ls  |  grep  python 
sudo  rm  python 
sudo  ln  -s  python3.6m  python 
sudo  apt  install  python3-pip 
pip --version 
python  pip  install  --upgrade pip 
pip --version