def set_cardID(self):
     self.by_id("cardno").clear()
     cardID = createIDCard.fun()
     self.by_id("cardno").send_keys(cardID) 
 def get_cardID(self, cardID_path):
     cardID = createIDCard.fun()
     self.save_trade_Info(cardID_path, cardID)
     return cardID