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import asyncio


async def main() -> None:
    q: asyncio.Queue = asyncio.Queue(maxsize=3)

    await q.put("a")
    await q.put("b")
    await q.put("c")

    print(f"size after 3 puts: {q.qsize()}")
    print(f"full: {q.full()}")

    item = await q.get()
    q.task_done()
    print(f"got: {item}")
    print(f"size after 1 get: {q.qsize()}")

    await q.put("d")
    print(f"size after put d: {q.qsize()}")

    while not q.empty():
        item = await q.get()
        print(f"drained: {item}")
        q.task_done()

    print(f"final size: {q.qsize()}")
    print(f"empty: {q.empty()}")


asyncio.run(main())

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