Let's now look at various operations to traverse all the nodes in a tree. In the example each value of the node is "printed" but in the libraries it will be found that the "traversed" nodes will be returned to them in some linear data structure such as arrays or lists so that you can then use them at your convenience.
Each type of route will return the nodes in a different order and the order obtained in each case will depend on the conditions with which new nodes were created and inserted. Later we will see cases of application of these.
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