Question: Write a postorder traversal function for general trees, similar to the preorder traversal function named print given in Section 6.1.2. A preorder traversal of the

Write a postorder traversal function for general trees, similar to the preorder traversal function named print given in Section 6.1.2.

A preorder traversal of the tree in Figure 6.3 visits the nodes in order RACDEBF.
A postorder traversal of this tree visits the nodes in order CDEAFBR.

A C) (D) (E R (B) TI F Figure 6.3 An example of a general tree.

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