def test_NaOH(self):
     self.assertEqual(format_elements('Na,  O  , h'),'na,o,h')
 def test_NaOH(self):
     self.assertEqual(format_elements('Na,  O  , h'), 'na,o,h')
 def test_quit(self):
     self.assertEqual(format_elements(' Q   uI   t'),'quit')
 def test_quit(self):
     self.assertEqual(format_elements(' Q   uI   t'), 'quit')