def test_error_for_homework(self):
		"""Test that a type error occurs if dictionary is not passed"""
		with self.assertRaises(AttributeError):
			main.homework_1(5)
			main.homework_1('last test')
			main.homework_1(['hi', 'done', 'now'])
	def test_homework_1_mean(self):
		"""Test that the scores of the students for homework 1 are averaged"""
		self.assertEqual(main.homework_1(self.students), 90)