code: def urljoin(*parts):
      
      # first strip extra forward slashes (except http:// and the likes) and
      # create list
      part_list = []
      for part in parts:
          p = str(part)
          if p.endswith('//'):
              p = p[0:-1]
          else:
              p = p.strip('/')
          part_list.append(p)
      # join everything together
      url = '/'.join(part_list)
      return url
docs: Join terms together with forward slashes
  
      Parameters
      ----------
      parts
  
      Returns
      -------
      str