In this exercise, the element
node_c shows two links? How is that used versus
Node items with a single link?
Node is used as a basic building block of other data structures. A
Node with a single link is useful for data structures such as linked lists, stacks, and queues. Other types of data structures such as trees or graphs require more links. That is an example of the role that
node_c is showing in the exercise. The element
node_c is able to point to both