1. 获取loop直到异步执行完毕

import asyncio
def loop_run_task(ip, command):
    # loop = asyncio.get_event_loop()
    loop = asyncio.new_event_loop()
    asyncio.set_event_loop(loop)
    content = loop.run_until_complete(task_execute_shell(ip, command))
    loop.close()
    return