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import asyncio
async def main():
proc = await asyncio.subprocess.create_subprocess_exec(
"./hello.py", stdin=asyncio.subprocess.PIPE, stdout=asyncio.subprocess.PIPE
)
proc.stdin.write(b"bob\n")
print(await proc.stdout.read(1024))
proc.stdin.write(b"alice\n")
print(await proc.stdout.read(1024))
proc.stdin.write(b"quit\n")
await proc.wait()
asyncio.run(main())
FL