text file where for each of tree1.jpg, tree2.jpg, tree3.jpg, you give the preorder, inorder and

Create a text file where for each of tree1.jpg, tree2.jpg, tree3.jpg, you give the preorder, inorder, and postorder traversals of the nodes. There should be 9 traversals in all. Write each traversal on a separate line, like: A B C D E F ... Y Z etc.