code: def read_iter():
      '''Return the path to the final rho*.mag file from the tomodir.
      '''
      filename = 'exe/inv.lastmod'
      linestring = open(filename, 'r').readline().strip()
      linestring = linestring.replace('\n', '')
      linestring = linestring.replace('../', '')
      return linestrinf read_iter():
      '''Return the path to the final rho*.mag file from the tomodir.
      '''
      filename = 'exe/inv.lastmod'
      linestring = open(filename, 'r').readline().strip()
      linestring = linestring.replace('\n', '')
      linestring = linestring.replace('../', '')
      return linestring
docs: Return the path to the final rho*.mag file from the tomodir.