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 content