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Given a binary tree, Convert it into its Mirror Tree
Objective: Given a binary tree, Convert it into its Mirror Tree
Mirror Tree: Mirror Tree of a binary tree is where left and right child of every node of given binary tree is interexchanged.
Input: A binary tree.
Example:
Approach:
 Do the PreOrder Traversal.
 Starting from the root, swap the left and right childs.
 Recursively call the same procedure in the leftsubtree and right subtree.
Code:
Output:
1 2 3 4 5 6 7 Mirror Image 7 6 5 4 3 2 1
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