def test_temperature_change(self):
havana = City("Havana", 25, 70)
helsinki = City("Helsinki", -10, 50)
havana.change_temperature(45)
self.assertEqual(
havana.get_temperature_in_celsius() -
helsinki.get_temperature_in_celsius(), 55)
def test_wrong_argument_4(self):
with self.assertRaises(TypeError):
havana = City("Havana", 25, 70)
havana.change_temperature((5, 6))
def test_wrong_argument_2(self):
with self.assertRaises(ValueError):
havana = City("Havana", 25, 70)
havana.change_temperature("&")
