Challenge: Print In-order Traversal
Let’s print the in-order traversal of a tree.
We'll cover the following
Problem
Given a binary tree, perform an in-order traversal by completing the PrintInOrder() function. An in-order traversal is a traversal in which a node is visited in between its left child and right children.
Input
A binary tree.
Output
Display in-order traversal of the tree on the console.
Sample input
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