code: public String getTitles(List<String> titleList) throws Exception {
      String titles = "";
      String delim = "";
      for (String title : titleList) {
        titles = titles + delim + normalizeTitle(title);
        delim = "%7C";
      }
      return titles;
    }
docs: get a normalized | delimited (encoded as %7C) string of titles
  
  @param examplePages
  - the list of pages to get the titles for
  @return a string with all the titles e.g. Main%20Page%7CSome%20Page
  @throws Exception