July 2017
Intermediate to advanced
398 pages
11h 54m
Chinese
Content preview from Python数据处理
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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.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.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.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.
Python
简介
｜
9
将下列内容添加到
Path
变量的末尾，注意每一个路径之间要用分号隔开（包括已有内容末
尾的分号）：
C:\Python27;C:\Python27\Lib\site-packages\;C:\Python27\Scripts\;
Path
变量的末尾应该类似图
1-6
所示。编辑好环境变量之后，点击“确定”（
OK
）来保存
设置。
图 1-6：将 Python 加入
Path
系统变量
1.2.3
测试
Python
现在你应该已经打开命令行（终端或
cmd
3
），准备启动
Python
。在
Mac
上命令行的结尾应
该是
$
符号，在
Windows
上应该是
>
符号。在提示符后输入
python
，然后按
Return
（或
Enter
）键：
$ python
一切正常的话，你应该会看到
Python
提示符（
>>>
），如图
1-7
所示。
注
3
：想 在
Windows
上打开
cmd
工具，只需搜索“命令提示符”（
Command Prompt
），或者打开“所有程序”
（
All Programs
），依次选择“附件”（
Accessories
）和“命令提示符”（
Command Prompt
）。
10
｜
第
1
章
图 1-7：Python 提示符
对于
Windows
用户，如果没有出现
Python
提示符，请检查
Path
变量的设置是否正确（如
前文所述） ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.