Given a Binary Tree, convert it into its mirror.
The task is to complete the method that takes one argument, root of Binary Tree and modifies the tree.
The function should conert the tree to its mirror
1 <=T<= 30
1 <= Number of nodes<= 100
1 <= Data of a node<= 1000
1 2 R 1 3 L
10 20 L 10 30 R 20 40 L 20 60 R
2 1 3
30 10 60 20 40
There are two test casess. First case represents a tree with 3 nodes, 2 edges. Here root is 1, left child of 1 is 3 and right child of 1 is 2. Second test case represents a tree with 4 edges and 5 nodes.
Note:The Input/Ouput format and Example given above are used for system's internal purpose, and should be used by a user for Expected Output only. As it is a function problem, hence a user should not read any input from stdin/console, and should not print anything on stdout/console. The task is to complete the function specified, and not to write the full code.