new_contents: #!/usr/bin/python
  
  """
  Copyright (c) 2014 tilt (https://github.com/AeonDave/tilt)
  See the file 'LICENSE' for copying permission
  """
  
  def sort(value):
      return sorted(value)
  
  def remove_duplicates(value):
      return set(value)
  
  def list_to_string(value):
      data=''
      for host in value:
          if host:
              if type(host) is list:
                  for element in host:
                      data += element + " "
              else:
                  data += host
              data += " "
      return data
  
subject: Create util.py