Dart lang, foolin around

main.dart

// just foolin around

List<int> f() {
  return List.generate(20, (i) => i * i);
}

void main() {
  for (int i = 0; i < 5; i++) {
    print('hello ${i + 1}, $i');
  }
  print('List: ${f().join(', ')}');
}