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4. Given the following pre-order and in-order traversals of a binary tree, what is the post-order traversal of it? Write your solution by printing

4. Given the following pre-order and in-order traversals of a binary tree, what is the post-order traversal of it? Write your solution by printing each element with a space after it. Pre-order: 37450689 In-order: 47053896

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