Which traversal method is used to visit all nodes in a binary tree?

Which traversal method is used to visit all nodes in a binary tree?

Step 1: Understand what a binary tree is. A binary tree is a data structure where each node has at most two children.
Step 2: Learn about traversal methods. Traversal methods are ways to visit each node in the tree.
Step 3: Identify the three main traversal methods: In-order, Pre-order, and Post-order.
Step 4: Know that In-order visits nodes in the order of left child, then parent, then right child.
Step 5: Understand that Pre-order visits nodes in the order of parent, then left child, then right child.
Step 6: Recognize that Post-order visits nodes in the order of left child, then right child, then parent.
Step 7: Conclude that all three methods can be used to visit every node in a binary tree.

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