code: def get_monitor(self, topics):
          
          for monitor in self.get_monitors(MON_TOPIC_ATTR == ",".join(topics)):
              return monitor  # return the first one, even if there are multiple
          return None
docs: Attempts to find a Monitor in device cloud that matches the provided topics
  
          :param topics: a string list of topics (e.g. ``['DeviceCore[U]', 'FileDataCore'])``)
  
          Returns a :class:`DeviceCloudMonitor` if found, otherwise None.