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What is the return value from this block of pseudocode? s ← new Stack() ...
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What is the return value from this block of pseudocode? s ← new Stack() q ← new Queue() push (83,s) pop (s) isempty(s) push (56,s) push (-63,s) pop (s) enqueue (32,q) peek(q) peek(s) pop (s) dequeue (q) push (31,s) return peek (s)
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