code: def peep_hash(argv):
      
      parser = OptionParser(
          usage='usage: %prog hash file [file ...]',
          description='Print a peep hash line for one or more files: for '
                      'example, "# sha256: '
                      'oz42dZy6Gowxw8AelDtO4gRgTW_xPdooH484k7I5EOY".')
      _, paths = parser.parse_args(args=argv)
      if paths:
          for path in paths:
              print('# sha256:', hash_of_file(path))
          return ITS_FINE_ITS_FINE
      else:
          parser.print_usage()
          return COMMAND_LINE_ERROR
docs: Return the peep hash of one or more files, returning a shell status code
      or raising a PipException.
  
      :arg argv: The commandline args, starting after the subcommand