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Здравствуйте
1)Не смог реализовать условие добавления в массив, когда элемент уже существует в массиве.
2)проблема с ошибками контсрейтов, сыпяшими в консоль решается только понижением приоритета? это правильное решение?
Не хватает знаний для реализации некоторых вещей с тем же конструктором, который я использовал для создания массивов, по методичке, не понял как реализовать этот метод с конструктором.
if !cities.contains(city) {
cities.append(city)