May 2024
Intermediate to advanced
181 pages
3h 9m
Chinese
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附录C Python参考
C.1 介绍
Python是一种通用的编程和脚本语言。它的简单性和丰富的库使得快速开发一个符合现代技术需求的应用成为可能。Python代码写在后缀为.py文件中，可以用命令python执行。
C.1.1 Python的“Hello World”实例
以下为一个基于Python的简单程序，仅打印一行文本。
[输入]
source_code/appendix_c_python/example00_helloworld.py
print "Hello World!"
[输出]
$ python example00_helloworld.py
Hello World!
C.1.2 注释
注释不会被Python执行。它以字符#开头，以行尾结束。
[输入]
# source_code/appendix_c_python/example01_comments.py
print "This text will be printed because the print statement is executed."
#这只是一个注释，不会被执行
#print "Even commented statements are not executed."
print "But the comment finished with the end of the line."
print "So the 4th and 5th line of the code are executed again."
[输出]
$ python example01_comments.py This text will be printed because the print statement ...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,
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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.