Insert Node into Single Threaded Binary Tree

### Related Posts:

- Single Threaded Binary Tree Complete Implementation
- Introduction to Threaded Binary Tree
- Double Threaded Binary Tree Complete Implementation
- Convert Binary Tree into Threaded Binary Tree
- Binary Search Tree Complete Implementation.
- Binary Min — Max Heap
- Given a binary tree, Print All the Nodes that don’t have Siblings.
- Breadth-First Search/Traversal in a Binary Tree
- Merge K Sorted Arrays
- Check If One Binary is Mirror Tree of another Binary Tree.