# coding: utf-8
# @Time    : 2022-05-17 13:15
# @Author  : AngDH
import asyncio
import time

now = lambda: time.time()


async def task1():
    await asyncio.sleep(1)
    print("task1 done")
    return "task1"


async def task2():
    await asyncio.sleep(1)
    print("task2 done")
    return "task2"


async
 
 def task3():
    await asyncio.sleep(1)
    print("task3 done")
    return "task3"


async def main():
    start = now()
    tasks = [task1(), task2(), task3()]
    # 1
    # dones, pendings = await asyncio.wait(tasks)
    # for task in dones:
    #     print("task result:", task.result())
    """非同步執行  非同步輸出
 
"""
    # 2
    # for task in asyncio.as_completed(tasks):
    #     result = await task
    #     print("task result:", result)

    """執行順序=結果順序"""

    # 3
    result = await asyncio.gather(*tasks)
    print(result)

    """非同步執行,同步輸出,結果順序和傳參順序一致"""

    print("耗時:", now() - start)


asyncio.run(main())