using text file to get ip address from hostname

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Subject	using text file to get ip address from hostname
From	dkatorza@gmail.com
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hello ,

i'm new to Python and i searched the web and could not find an answer for my issue.

i need to get an ip address from list of hostnames which are in a textfile.

this is what i have so far 
--------------------------------------------------------------------------
#!/usr/bin/env python
#Get the IP Address

import socket
hostname = 'need it to read from a text file'
addr = socket.gethostbyname(hostname)
print 'The address of ', hostname, 'is', addr 

---------------------------------------------------------------------------

any idea ? 
sorry for my english

thanks.

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using text file to get ip address from hostname dkatorza@gmail.com - 2012-09-12 07:24 -0700
  Re: using text file to get ip address from hostname Chris Angelico <rosuav@gmail.com> - 2012-09-13 00:35 +1000
  Re: using text file to get ip address from hostname dkatorza@gmail.com - 2012-09-12 07:41 -0700
    Re: using text file to get ip address from hostname Alister <alister.ware@ntlworld.com> - 2012-09-12 17:51 +0000
    Re: using text file to get ip address from hostname Terry Reedy <tjreedy@udel.edu> - 2012-09-12 17:04 -0400
  Re: using text file to get ip address from hostname Jason Friedman <jason@powerpull.net> - 2012-09-12 21:12 -0600
  Re: using text file to get ip address from hostname Dan Katorza <dkatorza@gmail.com> - 2012-09-15 09:20 -0700
    Re: using text file to get ip address from hostname Hans Mulder <hansmu@xs4all.nl> - 2012-09-15 20:52 +0200
    Re: using text file to get ip address from hostname Thomas Rachel <nutznetz-0c1b6768-bfa9-48d5-a470-7603bd3aa915@spamschutz.glglgl.de> - 2012-09-17 22:37 +0200
  Re: using text file to get ip address from hostname Dan Katorza <dkatorza@gmail.com> - 2012-09-15 15:43 -0700
    Re: using text file to get ip address from hostname Dan Katorza <dkatorza@gmail.com> - 2012-09-19 00:41 -0700
      Re: using text file to get ip address from hostname Chris Angelico <rosuav@gmail.com> - 2012-09-19 18:14 +1000
        Re: using text file to get ip address from hostname Dan Katorza <dkatorza@gmail.com> - 2012-09-19 01:50 -0700
          Re: using text file to get ip address from hostname Chris Angelico <rosuav@gmail.com> - 2012-09-19 18:59 +1000
        Re: using text file to get ip address from hostname Dan Katorza <dkatorza@gmail.com> - 2012-09-19 01:50 -0700
          Re: using text file to get ip address from hostname Dan Katorza <dkatorza@gmail.com> - 2012-09-19 02:10 -0700
          Re: using text file to get ip address from hostname Dan Katorza <dkatorza@gmail.com> - 2012-09-19 02:10 -0700
            Re: using text file to get ip address from hostname Dan Katorza <dkatorza@gmail.com> - 2012-09-19 05:28 -0700
              Re: using text file to get ip address from hostname Dave Angel <d@davea.name> - 2012-09-19 14:22 -0400
            Re: using text file to get ip address from hostname Dan Katorza <dkatorza@gmail.com> - 2012-09-19 05:28 -0700
              Re: using text file to get ip address from hostname Dan Katorza <dkatorza@gmail.com> - 2012-09-19 22:13 -0700
              Re: using text file to get ip address from hostname Dan Katorza <dkatorza@gmail.com> - 2012-09-19 22:13 -0700

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