深入python

＃http://old.sebug.net/paper/books/dive-into-python/html/index.html

1. 使用help寻求帮助

>>> help()

Welcome to Python 2.7!  This is the online help utility.

If this is your first time using Python, you should definitely check out
the tutorial on the Internet at http://docs.python.org/2.7/tutorial/.

Enter the name of any module, keyword, or topic to get help on writing
Python programs and using Python modules.  To quit this help utility and
return to the interpreter, just type "quit".

To get a list of available modules, keywords, or topics, type "modules",
"keywords", or "topics".  Each module also comes with a one-line summary
of what it does; to list the modules whose summaries contain a given wordsuch as "spam", type "modules spam".

在命令行环境，如果查看wave模块如何使用

需要 import wave; help(wave)

或者 help(‘wave‘)