CentOS7.6安装python3.6.8并与python共存

将以下命令保存为.sh文件，bash 运行即可

#!/bin/bash
set -ex \
	&& yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make wget \
	&& yum clean all \
	&& mkdir /usr/local/python3 \
	&& wget https://www.python.org/ftp/python/3.6.8/Python-3.6.8.tar.xz \
	&& tar -xvJf  Python-3.6.8.tar.xz && rm -f Python-3.6.8.tar.xz \
	&& cd Python-3.6.8 \
	&& ./configure prefix=/usr/local/python3 \
	&& make && make install \
	&& ln -s /usr/local/python3/bin/python3.6 /usr/local/bin/python3 \
	&& ln -s /usr/local/python3/bin/pip3 /usr/local/bin/pip3 \
	&& cd .. \
	&& rm -rf Python-3.6.8