python 模块

In [5]: import os

In [6]: os.__file__
Out[6]: ‘/usr/local/lib/python2.7/os.pyc‘

In [7]: import random

In [8]: random.__file__
Out[8]: ‘/usr/local/lib/python2.7/random.pyc‘

In [9]: ll /usr/local/lib/python2.7/ |head
total 12276
-rw-r--r--  1 root  18619 Sep 23 07:20 _abcoll.py
-rw-r--r--  1 root  26098 Sep 23 07:20 _abcoll.pyc
-rw-r--r--  1 root  26098 Sep 23 07:21 _abcoll.pyo
-rw-r--r--  1 root   7145 Sep 23 07:20 abc.py
-rw-r--r--  1 root   6187 Sep 23 07:20 abc.pyc
-rw-r--r--  1 root   6131 Sep 23 07:21 abc.pyo
-rw-r--r--  1 root  34547 Sep 23 07:20 aifc.py
-rw-r--r--  1 root  30740 Sep 23 07:20 aifc.pyc
-rw-r--r--  1 root  30740 Sep 23 07:21 aifc.pyo