What is the result of a post-order traversal of a binary tree?

What is the result of a post-order traversal of a binary tree?

Step 1: Start at the root of the binary tree.
Step 2: Move to the left child of the current node.
Step 3: If the left child has its own children, repeat Step 2 until you reach a node with no left child.
Step 4: Once you reach a node with no left child, visit that node (this means you record or print its value).
Step 5: Move back up to the parent node and now check its right child.
Step 6: If the right child has its own children, repeat Step 2 for the right child.
Step 7: Once you finish visiting the left and right children, visit the parent node (record or print its value).
Step 8: Repeat this process for all nodes in the tree until you have visited every node.

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