python3 asyncio command

asyncio_cmd.py

import asyncio
import sys

async def execute(command, cwd=None, shell=True):
    process = await asyncio.create_subprocess_exec(*command,
                                                   stdout=asyncio.subprocess.PIPE,
                                                   stderr=asyncio.subprocess.PIPE,
                                                   cwd=cwd,
                                                   shell=shell)
    std_out, std_err = await process.communicate()

    error = std_err.decode().strip()
    result = std_out.decode().strip()
    print(result)
    print(error)
    return result


if sys.platform == "win32":
    loop = asyncio.ProactorEventLoop()
    asyncio.set_event_loop(loop)
else:
    loop = asyncio.get_event_loop()
try:
    loop.run_until_complete(
        asyncio.gather(execute(["bash", "-c", "echo hello && sleep 2"]), execute(["bash", "-c", "echo ok && sleep 1"])))
except Exception as e:
    raise e
finally:
    loop.close()