text: #!/usr/bin/env python
  # encoding: utf-8
  #
  # Copyright (c) 2008 Doug Hellmann All rights reserved.
  #
  """
  """
  
  __version__ = "$Id$"
  #end_pymotw_header
  
  import struct
  import binascii
  
  values = (1, 'ab', 2.7)
  print 'Original values:', values
  
  endianness = [
      ('@', 'native, native'),
      ('=', 'native, standard'),
      ('<', 'little-endian'),
      ('>', 'big-endian'),
      ('!', 'network'),
      ]
  
  for code, name in endianness:
      s = struct.Struct(code + ' I 2s f')
      packed_data = s.pack(*values)
      print
      print 'Format string  :', s.format, 'for', name
      print 'Uses           :', s.size, 'bytes'
      print 'Packed Value   :', binascii.hexlify(packed_data)
      print 'Unpacked Value :', s.unpack(packed_data)