手动编译安装

官方地址：https://www.python.org/downloads/source/
wget https://www.python.org/ftp/python/3.9.6/Python-3.9.6.tar.xz
tar -xvJf  Python-3.9.6.tar.xz
cd Python-3.9.6; ./configure --prefix=/usr/local/python3
make && make install
ln -s /usr/local/python3/bin/python3 /usr/bin/python3
ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3

yum方式安装

yum -y install python36 
python3 -V && pip3 -V