def test_01_matching_parentheses(self):
parentheses = "((())()())()"
expected = [[0, 9], [1, 4], [2, 3], [5, 6], [7, 8], [10, 11]]
self.assertEqual(matching_parentheses(parentheses), expected)
def test_07_matching_parentheses(self):
parentheses = "(()"
expected = None
self.assertEqual(matching_parentheses(parentheses), expected)
def test_01_matching_parentheses(self):
result = matching_parentheses(self.input)
self.assertEqual(result, self.expected)
def test_04_matching_parentheses(self):
parentheses = "()"
expected = [[0, 1]]
self.assertEqual(matching_parentheses(parentheses), expected)