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import deques
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var queue = initDeque[int]()
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queue.addLast(26)
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queue.addLast(99)
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queue.addLast(2)
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echo "Queue size: ", queue.len()
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echo "Popping: ", queue.popFirst()
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echo "Popping: ", queue.popFirst()
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echo "Popping: ", queue.popFirst()
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echo "Popping: ", queue.popFirst()
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