def test_equals_2(self): self.assertEqual(remember('apPle'), [])
def test_equals(self): self.assertEqual(remember('apple'), ['p'])
def test_equals_5(self): self.assertEqual(remember('limbojackassin the garden'), ['a', 's', 'i', ' ', 'e', 'n'])
def test_equals_6(self): self.assertEqual(remember('11pinguin'), ['1', 'i', 'n'])
def test_equals_4(self): self.assertEqual(remember('Pippi'), ['p', 'i'])