安装依赖包
yum -y groupinstall "Development tools"
yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel
下载Python3
wget https://www.python.org/ftp/python/3.6.2/Python-3.6.2.tar.xz
创建目录
mkdir /usr/local/python3
解压缩包并安装
tar -xvJf Python-3.6.2.tar.xz
cd Python-3.6.2
./configure --prefix=/usr/local/python3
make && make install
创建软连接
ln -s /usr/local/python3/bin/python3 /usr/bin/python3
ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3
Centos 默认有python2.7，通过键入python 能开启python2 键入python3能打开python3的解释器