January 2023
Intermediate to advanced
458 pages
14h 16m
Chinese
Content preview from 可编程网络自动化
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在网络场景中学习
Python
｜
105
4.9
创建
Python
程序
基于在
Python shell
上所做的工作，下面学习如何创建和运行独立的
Python
脚本（或程
序）。本节将向你展示怎样利用目前所学，轻松地在几分钟内创建出一个脚本。
你可以随意选择自己喜欢的文本编辑器，包括但不仅限于
vi
、
vim
、
Sublime
Text
、
Notepad++
，甚至像
PyCharm
这种成熟的
IDE
。
来看几个例子。
4.9.1
创建一个基本的
Python
脚本
新建一个以
.py
作为扩展名的
Python
文件。在
Linux
终端中，输入
touch net_script.py
，
创建新文件，然后在文本编辑器中将其打开。不出所料，这是一个空文件。
我们要编写的第一个脚本只是简单地在终端中打印一些文本。为此，在
net_script.py
中
加
入下列
5
行文本。
#!/usr/bin/env python
if __name__
== "__main__":
print
('^' * 30)
print
('HELLO NETWORK AUTOMATION!!!!!')
print
('^' * 30)
脚本现在就创建好了，来运行一下。
要想在
Linux
终端中执行
Python
脚本
，必须使用
python
命令。你要做的就是像下面这样，
将脚本名称放在该命令之后。
$ python net_script.py
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
HELLO NETWORK AUTOMATION!!!!!
^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.