List<String> options =
            List<String>.from(documentList[currentQuestionIndex]["options"]);
      for (int i = 0; i < options.length; i++) {
      widgets.add(
      ListTile(
      title: Text("${(i + 1).toString()}. ${options[i]}.",style: TextStyle(color: Colors.white),)
      ,onTap: () {questionNumber++;
      bool correct =
      (documentList[currentQuestionIndex]["answer"] == options[i]);
      if (documentList[currentQuestionIndex]["guesses"] == null) {
      documentList[currentQuestionIndex]["guesses"] = 1;

      } else {
      documentList[currentQuestionIndex]["guesses"] += 1;
      }

      if (documentList[currentQuestionIndex]["correct-guesses"] == null) {
      documentList[currentQuestionIndex]["correct-guesses"] = 0;
      }
      if (correct) {
      documentList[currentQuestionIndex]["correct-guesses"] += 1;
      finalScore++;
      }
      onQuestionAnswered(currentQuestionIndex);


      },
      ));