初学python 这个错误是因为啥呀

Question

# coding=utf-8
import datetime
import time
import os
import psutil

def run():
    kill()
    # os.chdir(r"C:\BearBaby\ERP")
    path = "C:\BearBaby\ERP\BearBaby.exe"
    print("播放")
    os.system(path)

def kill():
    pids = psutil.pids()
    for pid in pids:
        p = psutil.Process(pid)
        if p.name() == 'BearBaby.exe':
            # print("关闭播放")
            cmd = 'taskkill /F /IM BearBaby.exe'
            os.system(cmd)

def main():
    while True:
        now = datetime.datetime.now()
        print(now)

        # 早上
        start_time = datetime.datetime.strptime(str(datetime.datetime.now().date()) + '8:00', '%Y-%m-%d%H:%M')
        # print(start_time)


        # 中午
        mid_time = datetime.datetime.strptime(str(datetime.datetime.now().date()) + '15:00', '%Y-%m-%d%H:%M')
        # print(mid_time)

        # 下午
        last_time = datetime.datetime.strptime(str(datetime.datetime.now().date()) + '17:00', '%Y-%m-%d%H:%M')
        # print(last_time)

        # 晚上
        end_time = datetime.datetime.strptime(str(datetime.datetime.now().date()) + '20:20', '%Y-%m-%d%H:%M')
        # print(end_time)

        # 当前时间
        now_time = datetime.datetime.now()


        # 判断当前时间是否在范围时间内
        if start_time < now_time < mid_time:
            print("播放1")
            run()
        elif mid_time < now_time < last_time:
            print("停止播放1")
            kill()
        elif last_time < now_time < end_time:
            run()
            print("播放2")
        elif end_time < now_time:
            kill()
            print("停止播放2")
        elif end_time < now_time:
            cmd = 'shutdown /p'
            os.system(cmd)
        time.sleep(1)


if __name__ == '__main__':
    main()

 

Answer 1

有点傻了，问题解决了，注释的是另一种方法，比较讨巧

def run():
    kill()
    os.chdir(r"C:\BearBaby\ERP\\")
    path = "BearBBNew.exe"
    d = os.system(path)
    print(d)
    # cmd = 'start "" "C:\BearBaby\ERP\BearBBNew.exe"'
    # os.system(cmd)