static void Save(List <Question> questions)
{
var jsonData = JsonConvert.SerializeObject(questions, Formatting.Indented);
FileProvider.Replase(Path, jsonData);
}
static void Save(List <User> userResults)
{
var jsonData = JsonConvert.SerializeObject(userResults, Formatting.Indented);
FileProvider.Replase(Path, jsonData);
}