Consider the below codetakeInput() print("Enter root data") rootData = int(input()) if (rootData == -1) return None root = BinaryTreeNode(rootData) root.left = takeInput() root.right = takeInput() return rootWhat will be the input(excluding -1) to above code to construct this tree ? 1) 2 7 2 6 5 11 5 9 4 2) 2 7 5 6 11 2 5 4 9 3) 2 7 5 2 6 9 5 11 4

The code provided is a Python function for creating a binary tree from user input. The function uses a pre-order traversal method to construct the tree, meaning it first creates the root, then the left subtree, and finally the right subtree.

Given the options, the correct input to construct the tree using this function would be:

2. 2 7 5 6 11 2 5 4 9

Here's why:

• The first number, 2, becomes the root of the tree.
• The function then recursively calls itself to create the left subtree. The next number, 7, becomes the root of this subtree.
• The function calls itself again to create the left subtree of 7. The next number, 5, becomes the root of this subtree.
• The function calls itself again to create the left subtree of 5. The next number, 6, becomes the root of this subtree.
• The function calls itself again to create the left subtree of 6. The next number, 11, becomes the root of this subtree.
• The function calls itself again to create the left and right subtrees of 11. Since there are no more numbers before the next 2, these subtrees are empty.
• The function then creates the right subtree of 6, which is also empty.
• The function then creates the right subtree of 5, which is also empty.
• The function then creates the right subtree of 7. The next number, 2, becomes the root of this subtree.
• The function then creates the left and right subtrees of 2. Since there are no more numbers before the next 5, these subtrees are empty.
• The function then creates the right subtree of 2. The next number, 5, becomes the root of this subtree.
• The function then creates the left subtree of 5. The next number, 4, becomes the root of this subtree.
• The function then creates the left and right subtrees of 4. Since there are no more numbers before the next 9, these subtrees are empty.
• The function then creates the right subtree of 5. The next number, 9, becomes the root of this subtree.
• The function then creates the left and right subtrees of 9. Since there are no more numbers, these subtrees are empty.

This process results in the creation of the binary tree.