import asyncio
import sys


async def main():
    proc = await asyncio.create_subprocess_exec("echo", "Rémy",
                                                stdout=asyncio.subprocess.PIPE,
                                                stderr=asyncio.subprocess.PIPE)
    code = await proc.wait()
    out = await proc.stdout.read()
    sys.stdout.write(out.decode('utf-8'))
    err = await proc.stderr.read()
    sys.stderr.write(err.decode('utf-8'))
    return code

if __name__ == "__main__":
    try:
        asyncio.run(main())
    except KeyboardInterrupt:
        print("> Goodbye")