text: def simple_classification_model(list_samples):
      list_classes = []
  
      for sample in list_samples:
          petal_width = sample[-1]
          if petal_width < 0.7:
              list_classes.append('Iris-setosa')
          elif petal_width < 1.6:
              list_classes.append('Iris-versicolor')
          else:
              list_classes.append('Iris-virginica')
  
      return list_classes