No.3 Timed Shutdown

 1 import datetime,os
 2 print("---Timed Shutdown---")
 3 print("1.Timed Shutdown")
 4 print("2.Cancel Scheduled Shutdown")
 5 try:
 6     choice = int(input(""))
 7 
 8     if choice == 2:
 9         # os.system("shutdown -a")
10         if os.system("shutdown -a > nul 2> nul") == 1116: # 隐藏输出结果 >nul 2>nul
11             print("There is no Scheduled Shutdown!")
12         else:
13             print("Cancel Succeed!")
14 
15     if choice == 1:
16         print("Setting Hour:")
17         hour = input("")
18         try:
19             hour = int(hour)
20             print("Setting Minute:")
21             minute = input("")
22             try:
23                 minute = int(minute)
24 
25                 now = datetime.datetime.now()
26                 now_hour = now.hour
27                 now_minute = now.minute
28                 
29                 hour_remain = (hour + minute / 60) - (now_hour + now_minute / 60)
30                 minute_remain = hour_remain * 60
31                 second_remain = hour_remain * 60 * 60
32                 
33                 print("Setting Succeed!")
34                 print("The power off is still left %d minute"% minute_remain)
35                 
36                 os.system("shutdown -s -t %d "% second_remain)
37 
38             except Exception:
39                 print("Minute Set Error!")
40 
41         except Exception:
42             print("Hour Set Error!")
43 
44 except Exception:
45     print("Please follow the instructions