1. 已安装 module/package 的文档可以运行 pydoc 这个程序来查找:
alex@dhcp-65-3:~$ pydoc
2. 在线文档： http://docs.python.org （ 如: http://docs.python.org/release/2.6.5/index.html）
Python： interpreted, interactive, object-oriented programming.
Python Tutorial：
introduction to programming in Python
Python Library Reference：
documents built-in and standard types, constants, functions
and modules.
the Python Reference Manual:
syntax and semantics of the core language in much detail.
Documentation for installed Python modules and packages can be viewed
by running the pydoc program.
Extensiable:
Python’s basic power can be extended with your own modules written
in *C or C++*.On most systems such modules may be
dynamically loaded.
Python is also adaptable as an extension language for existing applica-
tions. See the internal documentation for hints.