CentOS-7.2下安装Pyhton3

• 下载源码包
  https://www.python.org/downloads/source/

• 安装必要包

yum install gcc zlib zlib-devel 

• 编译安装

cd Python-3.6.5
./configure
make
make install

• 安装完成

[root@vm1 ~]# python3
Python 3.6.5 (default, Apr 23 2018, 22:05:56)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-16)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>
>>>

Python3安装完成后pyvenv也会自动安装