def test_basdai_calculation(self) -> None:
basdai = Basdai()
basdai.q1 = 2
basdai.q2 = 10
basdai.q3 = 7
basdai.q4 = 1
basdai.q5 = 9
basdai.q6 = 3
# 2 + 10 + 7 + 1 = 20
# (9 + 3) / 2 = 6
# 20 + 6 = 26
# 26 / 5 = 5.2
self.assertEqual(basdai.basdai(), 5.2)
def test_basdai_none_when_field_none(self) -> None:
basdai = Basdai()
self.assertIsNone(basdai.basdai())