getRandomItems method
Implementation
List<SymptomsData> getRandomItems(List<SymptomsData> list, int count) {
final random = Random();
final Set<int> selectedIndexes = {};
while (selectedIndexes.length < count) {
selectedIndexes.add(random.nextInt(list.length));
}
return selectedIndexes.map((index) => list[index]).toList();
}