1.安装python：http://www.nazoua.com/archives/2418

2.交互解释器

[root@VM_0_15_centos tmp]# python
 Python 2.7.5 (default, Nov  6 2016, 00:28:07) 
 [GCC 4.8.5 20150623 (Red Hat 4.8.5-11)] on linux2
 Type "help", "copyright", "credits" or "license" for more information.
                        

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