def test_false_string_is_palindrome(self):
     self.assertFalse(is_palindrome("mother"))
 def test_false_numeric_is_palindrome(self):
     self.assertFalse(is_palindrome(123456))
 def test_true_string_is_palindrome(self):
     self.assertTrue(is_palindrome("mom"))
 def test_true_numeric_is_palindrome(self):
     self.assertTrue(is_palindrome(906609))