code: def display_url(target):
      
  
      prefix = u"http://" if not target.startswith("http") else u""
      target = prefix + target
      display(HTML(u'<a href="{t}" target=_blank>{t}</a>'.format(t=target)))
docs: Displaying URL in an IPython notebook to allow the user to click and check on information. With thanks to Fernando Perez for putting together the implementation!
      :param target: the url to display.
      :type target: string.