(self)
| 109 | s = get(s.scholarship for s in Student if s.id == 3) |
| 110 | self.assertEqual(s, 200) |
| 111 | def test18(self): |
| 112 | s = get(s.scholarship for s in Student if s.id == 4) |
| 113 | self.assertEqual(s, None) |
| 114 | def test19(self): |
| 115 | s = select(s for s in Student if s.id == 4).exists() |
| 116 | self.assertEqual(s, False) |