def test_empty_string(self): self.assertEqual(is_anagram("", ""), True)
def test_one_empty_string(self): self.assertEqual(is_anagram("a", ""), False)
def test_5(self): self.assertEqual(is_anagram("AB", "ba"), False)
def test_4(self): self.assertEqual(is_anagram("AB", "ab"), False)
def test_3(self): self.assertEqual(is_anagram("ab", "ba"), True)
def test_2(self): self.assertEqual(is_anagram("A", "B"), False)
def test_1(self): self.assertEqual(is_anagram("A", "A"), True)