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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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import socket
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port = int(sys.argv[2])
 
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
 
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s.bind((host,port))
 
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python hidden features

from http://stackoverflow.com/questions/101268/hidden-features-of-python
http://www.okpython.com/bbs/thread-3434-1-1.html
http://www.okpython.com/bbs/thread-3436-1-2.html
http://www.okpython.com/bbs/thread-3437-1-2.html
http://www.okpython.com/bbs/thread-3438-1-1.html
http://www.okpython.com/bb ......

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