def test_2(self):
     result = classify_by_phone_number(records)
     assert result[1] == self.expected[1]
 def test_len(self):
     result = classify_by_phone_number(records)
     print(result)
     assert len(result) == 6
 def test_7(self):
     result = classify_by_phone_number(records)
     assert result == TestChallenge1.expected