def test_equals_2(self): self.assertEqual(detect_operator(80671991111), 'Kyivstar')
def test_equals_5(self): self.assertEqual(detect_operator(80111551111), 'no info')
def test_equals(self): self.assertEqual(detect_operator(80661111841), 'MTS')
def test_equals_4(self): self.assertEqual(detect_operator(80931551111), 'Life:)')