code: def write_creation_info(creation_info, out):
      
      out.write('# Creation Info\n\n')
      # Write sorted creators
      for creator in sorted(creation_info.creators):
          write_value('Creator', creator, out)
  
      # write created
      write_value('Created', creation_info.created_iso_format, out)
      # possible comment
      if creation_info.has_comment:
          write_text_value('CreatorComment', creation_info.comment, out)
docs: Write the creation info to out.