func loadNewQuestion {
    //UIApplication.shared.beginIgnoringInteractionEvents()
    //self.view.isUserInteractionEnabled = false
    //change the question, answer, and array of possible answers
}

func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
    let a = answers[indexPath.row]
    if a.descript.lowercased() == questionAnswer.descript.lowercased() //questionAnswer is the correct answer to the question {
        self.loadNewQuestion()
        self.collectionView.reloadData(onComplete: {
            //UIApplication.shared.endIgnoringInteractionEvents()
            //self.view.isUserInteractionEnabled = true
            })
    } else {
        //warn about wrong answer
    }
}