def test_display_palindromes(self):
'''
method that returns a list of all palindromes
'''
self.new_palindrome.save_palindrome()
test_palindrome = Palindrome("level")
test_palindrome.save_palindrome()
self.assertEqual(Palindrome.display_palindromes(),
Palindrome.palindrome_list)
def display_palindromes():
return Palindrome.display_palindromes()
