Question: Can anyone explain this pseudocode to me? And what does the symbol mean? Thank you! Unit 8: Stacks, Queues and Hash-Tables An Example for Using

Can anyone explain this pseudocode to me? And what does the

Can anyone explain this pseudocode to me? And what does the symbol mean? Thank you!

Unit 8: Stacks, Queues and Hash-Tables An Example for Using a Stack and a Queue: Print the nodes of a tree by level Procedure Level-order (root) Queue.Initialize(S) Enqueue(S, root) Enqueue(S, L) while (S isn't empty) v Dequeue (S) if (u=) then Print New Line if (S isn't empty) Enqueue(S, L) else Print(v) if(v.leftchild exists) then Enqueue(S, v.leftchild) if(v.rightchild exists) then Enqueue(S, v.rightchild)

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