What is this code about:

• This Python program demonstrates how to perform a post-order traversal of a binary tree. In post-order traversal, the nodes are recursively visited in the following order:

1. Left subtree
2. Right subtree
3. Root node

Features:

• Implements a basic binary tree structure using the Node class.
• Traverses the tree in post-order and prints the node data.

Binary Tree Construction: The binary tree is manually constructed in the following structure Siblings /
Wanja Akama / \ /
Valerie Moraa Okeya Tom

Post-Order Traversal:

• This function visits nides in the post-order sequence
• Traverses the left subtree.
• Traverses the right subtree.
• Visits the root node.

How to Run the Program:

• python post_order_traversal.py

Example Output: Valerie Moraa Wanja Okeya Tom Akama Siblings

Concepts Covered:

• Binary tree structure.
• Recursive traversal.
• Post-order traversal algorithm.