code: def frames(fname=None,menuWidth=200,launch=False):
      
      html="""
      <frameset cols="%dpx,*%%">
      <frame name="menu" src="index_menu.html">
      <frame name="content" src="index_splash.html">
      </frameset>"""%(menuWidth)
      with open(fname,'w') as f:
          f.write(html)
      if launch:
          webbrowser.open(fname)
docs: create and save a two column frames HTML file.