def test_equals_2(self): self.assertEqual(longest( 'loopingisfunbutdangerous', 'lessdangerousthancoding'), 'abcdefghilnoprstu')
def test_equals(self): self.assertEqual(longest('aretheyhere', 'yestheyarehere'), 'aehrsty')
def test_equals_3(self): self.assertEqual(longest('inmanylanguages', 'theresapairoffunctions'), 'acefghilmnoprstuy')
def test_equals_2(self): self.assertEqual( longest('loopingisfunbutdangerous', 'lessdangerousthancoding'), 'abcdefghilnoprstu')