python版本：Python-3.5.5.tgz
tar -xvf Python-3.5.5.tgz
cp Python-3.5.5 /usr/local
cd /usr/local/Python-3.5.5
./configure
make && make install
mv /usr/bin/python python_bk
ln -s /usr/local/bin/python3.5 /usr/bin/python