def test_longestPalindromeSubseq01(self):
     self.assertEqual(1, Solution().longestPalindromeSubseq('a'))
 def test_longestPalindromeSubseq013(self):
     self.assertEqual(3, Solution().longestPalindromeSubseq01('aba'))
 def test_longestPalindromeSubseq014(self):
     self.assertEqual(9,
                      Solution().longestPalindromeSubseq01('a1b2c3d4dcba'))
 def test_longestPalindrome02_1(self):
     self.assertEqual(Solution().longestPalindrome02('a'), 'a')