code: def save(self, outfile, close_file=True, **kwargs):
          
          if isinstance(outfile, text_type) or isinstance(outfile, binary_type):
              fid = open(outfile, 'wb')
          else:
              fid = outfile
  
          root = self.get_root()
          html = root.render(**kwargs)
          fid.write(html.encode('utf8'))
          if close_file:
              fid.close()
docs: Saves an Element into a file.
  
          Parameters
          ----------
          outfile : str or file object
              The file (or filename) where you want to output the html.
          close_file : bool, default True
              Whether the file has to be closed after write.