# Definition of a binary tree node
#
# class TreeNode:
#     def __init__(self, data):
#         self.data = data
#         self.left = None
#         self.right = None

from ds_v1.BinaryTree.BinaryTree import TreeNode

def build_tree(p_order, i_order):

    # Replace this placeholder return statement with your code
    return TreeNode(-1)