1、查看python版本:
[root@localhost ~]# python -V
Python 2.7.5
2、进入python解释器：
[root@localhost ~]# 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.
>>>
3、输出print函数：
>>> print 'Hello word'
Hello word
>>>
4、退出python解释器(按Ctrl+z)：
>>>
[2]+ 已停止 python
[root@localhost ~]#
5、编写第一个程序：
[root@localhost ~]# vim Happy.py
[root@localhost ~]# python Happy.py
happy
right
[root@localhost ~]#
