python的hello word

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 ~]#

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