Python: how to know IP address

>>> import socket

>>> print socket.gethostbyname_ex$socket.gethostname($) $$2$$

$$'10.144.53.165', '192.168.56.1'$$

>>> print socket.gethostbyname_ex$socket.gethostname($)

$'myPC.net1.net2', [], ['10.144.53.165', '192.168.56.1']$

>>> print socket.gethostbyname$socket.gethostname($)

10.144.53.165