code: public String get(final long index) {
          return doWithJedis(new JedisCallable<String>() {
              @Override
              public String call(Jedis jedis) {
                  return jedis.lindex(getKey(), index);
              }
          });
      }
docs: Get the element value in the list by index
  @param index the position in the list from which to get the element
  @return the element value