main.dart

void main() {
  for (int i = 0; i < 5; i++) {
    print('hello ${i + 1}');
  }
  
  print('-----');
  
  List myList = [1, 2, 3, 4];
  myList.map((x) => x * 2).forEach((e)=> print(e));
  
  print('-----');
  
  myList.where((x) => x % 2 == 0).map((x) => x + 1).forEach((e)=> print(e));
  
  print('-----');
  
  var city_name = 'Tokyo';
	print(city_name);
  
  print('-----');
  
// var String family_name = 'Minami'; //cant do. variables cant be declared using both var and a type name.
// print(family_name);
  
}