import timeprivate_owner=["A11111","B11111","C11111","D11111"] #list of private park-lot owner
temporary_car={} gate_enter=input("輸入您的車牌號: ")
if gate_enter in private_owner: #detect if the vehicle IS private carprint("歡迎, 月租用戶"+gate_owner+" !") 
else:temporary_car[gate_enter] = int(time.time()) #mark entering time trickprint("歡迎, 訪客"+gate_enter+" !")print(temporary_car)#------gate_leave=input("輸入您的車牌號: ")
if gate_leave in private_owner: #detect if the vehicle IS private carprint("歡迎, 月租用戶"+gate_owner+" !")
else:leave_time=int(time.time()) #mark leaving time trickif gate_leave in temporary_car:parking_time= abs(temporary_car[gate_enter] - leave_time) #caculate the parking periodprint(leave_time)print(parking_time)print("歡迎, 訪客"+gate_enter+" !")print(temporary_car)         else:print("Please contact parking-lot manager ASAP.")