ზ3በંવવხްុլRxስសلçໂH℅૩/proc/thread-self/root/opt/alt/python39/lib64/python3.9/test/test_asyncio/
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import os

if __name__ == '__main__':
    while True:
        buf = os.read(0, 1024)
        if not buf:
            break
        os.write(1, buf)