Centos7 安装python3.5，与python2.7共存

安装python3.5所需依赖

yum install openssl-devel bzip2-devel expat-devel gdbm-devel readline-devel sqlite-devel

下载

wget https://www.python.org/ftp/python/3.5.1/Python-3.5.1.tgz

解压

tar -zxvf Python-3.5.1.tgz

复制到/usr/local

mv Python-3.5.1 /usr/local

查看依赖

ll /usr/bin | grep python

（最后添加完之后如下图）

进入Python目录

cd /usr/local/Python-3.5.1/

配置

./configure

•编译make

make

•编译，安装

make install

不用删除旧的软链接，直接添加

ln -s /usr/local/bin/python3.5 /usr/bin/python3

赶快试试吧！！！