code: def mimebundle_to_html(bundle):
      
      if isinstance(bundle, tuple):
          data, metadata = bundle
      else:
          data = bundle
      html = data.get('text/html', '')
      if 'application/javascript' in data:
          js = data['application/javascript']
          html += '\n<script type="application/javascript">{js}</script>'.format(js=js)
      return html
docs: Converts a MIME bundle into HTML.