There are some algorithms (e.g. the information set graph mentioned in #484) where we want to iterate over the nodes of the game using depth-first traversal. Then, in Python, there is currently a ...

How to Train Your Dragon animated franchise features several films and TV shows, so it's best that you watch them in order.

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Pre-order traversal is a useful technique when you want to copy or clone a binary tree, or when you want to print the tree in a hierarchical structure. To implement pre-order traversal in Python ...