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#!/usr/bin/python
# Filename: using_name.py
if __name__ == '__main__':
     print 'This program is being run by itself'
else:
     print 'I am being imported from another module'
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$ python using_name.py
This program is being run by itself
$ python
>>> import using_name
I am being imported from another module


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s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
 
s.bind((host,port))
 
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python hidden features

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http://www.okpython.com/bbs/thread-3437-1-2.html
http://www.okpython.com/bbs/thread-3438-1-1.html
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