setDifficultyQuiz method
Implementation
setDifficultyQuiz(String value) async {
sharedPref = await _sharedPreferences;
sharedPref.setString("DifficultyQuiz", value);
}
setDifficultyQuiz(String value) async {
sharedPref = await _sharedPreferences;
sharedPref.setString("DifficultyQuiz", value);
}