22 def DFS(root, word, cur_path):  argument
38     root_word_ptr = root.GetChildMemberWithName("word")
39     left_child_ptr = root.GetChildMemberWithName("left")
40     right_child_ptr = root.GetChildMemberWithName("right")
77 def tree_size(root):  argument
86     if (root.GetValue is None):
89     if (int(root.GetValue(), 16) == 0):
92     left_size = tree_size(root.GetChildAtIndex(1))
93     right_size = tree_size(root.GetChildAtIndex(2))
99 def print_tree(root):  argument
109     if (root.GetChildAtIndex(1).GetValue() is not None) and (
110             int(root.GetChildAtIndex(1).GetValue(), 16) != 0):
111         print_tree(root.GetChildAtIndex(1))
113     print(root.GetChildAtIndex(0).GetSummary())
115     if (root.GetChildAtIndex(2).GetValue() is not None) and (
116             int(root.GetChildAtIndex(2).GetValue(), 16) != 0):
117         print_tree(root.GetChildAtIndex(2))