wget https://www.python.org/ftp/python/3.6.8/Python-3.6.8.tgz
tar zxvf Python-3.6.8.tgz
./configure --prefix=/usr/local/python3 --with-openssl --enable-optimizations
make && make install
ln -s /usr/local/python3/bin/python3 /usr/bin/python3
ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3原文：https://blog.51cto.com/haowen/2365207