python如何查看函數功能，類似於linux下的man

標籤：

[[email protected] python]# pythonPython 2.7.5 (default, Jun 17 2014, 18:11:42) [GCC 4.8.2 20140120 (Red Hat 4.8.2-16)] on linux2Type "help", "copyright", "credits" or "license" for more information.>>> import socket>>> help(socket.gethostname)Help on built-in function gethostname in module _socket:gethostname(...)    gethostname() -> string        Return the current host name.>>> help(socket.gethostbyname) Help on built-in function gethostbyname in module _socket:gethostbyname(...)    gethostbyname(host) -> address        Return the IP address (a string of the form '255.255.255.255') for a host.>>> 

說明：

import socket：匯入python提供的一個核心網路程式庫

help(socket.gethostname)：查看協助資訊

gethostname：沒有參數，返回所在主機或本地主機的名字

gethostbyname:接收一個參數hostname，返回對應的IP

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python如何查看函數功能，類似於linux下的man