import pythoncom, pyHookimport win32gui,win32api,win32con Lcontrol_press = FalseLmenu_press = FalseLeft_press = False def OnKeyboardEvent(event):  global Lcontrol_press #在函數(shù)里面使用全局變量的時(shí)候要加上global關(guān)鍵字  global Lmenu_press #要不然會(huì)出錯(cuò)  global Left_press  print 'Key:', event.Key  if (event.Key == "Lcontrol"):    Lcontrol_press = True  elif(event.Key == "Lmenu"):    Lmenu_press = True  elif(event.Key == "Left"):    Left_press =True  handel_key()  return Truedef handel_key() :  global Lcontrol_press  global Lmenu_press  global Left_press    if(Lcontrol_press and Lmenu_press and Left_press):    win32api.keybd_event( 0xB0,win32con.VK_MEDIA_NEXT_TRACK,0,0)    Lcontrol_press = False    Lmenu_press = False    Left_press = False     hm = pyHook.HookManager()hm.KeyDown = OnKeyboardEventhm.HookKeyboard()pythoncom.PumpMessages()