Kth Smallest element in Binary Search Tree in O(N) - Recursive and Iterative.

Write a function to take a BST and a value k as input and have it print the kth smallest element in the BST.
Write a function that takes a binary tree as input, and have it perform In order traversal - recursive and then iterative

Output:
97 92 3 10 87 6 46
Printing inorder:
3 6 10 46 87 92 97
K value: 3
Kth Smallest Node Value: 10
Kth Node :10