text: 
  class DEVICE:
  
      def __init__(self, cymepy, device, memory_valiables):
          self.cymepy = cymepy
          self.device = device
          self.memory_valiables = memory_valiables
          return
  
      def save_state(self):
          self.states = {}
          for param in self.memory_valiables:
              self.states[param] = self.cymepy.study.QueryInfoDevice(param, self.device.DeviceNumber, self.device.DeviceType)
  
          return
  
      def restore_state(self):
          if hasattr(self, 'states'):
              for param, val in self.states.items():
                  print(self.device, param, val)
                  #self.device.SetValue(val, "TapA")
  
                  # self.cymepy.study.SetValueDevice(
                  #     val,
                  #     param,
                  #     self.device.DeviceNumber,
                  #     self.device.DeviceType
                  # )
          return