Question: Use Python please: Let T be a tree in which every nonleaf node has two children. Write a program to convert a. a preorder listing

Use Python please: Let T be a tree in which every nonleaf node has two children. Write a program to convert a. a preorder listing of T into a postorder listing, b. a postorder listing of T into a preorder listing, c. a preorder listing of T into an inorder listing Set up 3 separate functions for parts a, b, and c Hint: assume that the label of each node consists of two fields: a unique integer identifying the node and an identifier l or i indicating whether a node is a leaf or an internal node)

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