lesson_2.4-4

// Задание 4
// Вывести на экран количество одинаковых слов в тексте.

void main() {
  const text = '''
  She sells sea shells on the sea shore;
  The shells that she sells are sea shells I'm sure.
  So if she sells sea shells on the sea shore,
  I'm sure that the shells are sea shore shells
  ''';

  final textList = text.split(' ');
  final textSet = textList.toSet();

  print('Количество одинаковых слов ${textList.length - textSet.length}');
}