def test_put0(self):
tree = Node()
tree.put('abc')
self.assertEqual(1, tree.children[0].children[1].children[2].count[0])
tree.put('abd')
self.assertEqual(1, tree.children[0].children[1].children[3].count[0])
def test_search_question0(self):
tree = Node()
tree.put('abc')
tree.put('abd')
tree.put('abde')
self.assertEqual(2, tree.search('a??'))
def test_search0(self):
tree = Node()
tree.put('abc')
self.assertEqual(1, tree.search('ab?'))
