text: import pytest
  
  from alice_check_train.true_answer import _NUMBERS_TO_STR
  
  
  @pytest.mark.parametrize("test_input,expected", [
      (0, ''),
      (5, 'пять'),
      (9, 'девять')
  ])
  def test_answer(test_input, expected):
      assert _NUMBERS_TO_STR[test_input] == expected
  