def test_equal_2(self): self.assertEqual(expanded_form(42), "40 + 2")
def test_equal_1(self): self.assertEqual(expanded_form(12), "10 + 2")
def test_equal_3(self): self.assertEqual(expanded_form(70304), "70000 + 300 + 4")
def test_equal_2(self): self.assertEqual(expanded_form(42), '40 + 2')
def test_equal_1(self): self.assertEqual(expanded_form(12), '10 + 2')
def test_equal_3(self): self.assertEqual(expanded_form(70304), '70000 + 300 + 4')