code: def get_devices(ads, **kwargs):
      
  
      def _get_device_filter(ad):
          for k, v in kwargs.items():
              if not hasattr(ad, k):
                  return False
              elif getattr(ad, k) != v:
                  return False
          return True
  
      filtered = filter_devices(ads, _get_device_filter)
      if not filtered:
          raise Error(
              'Could not find a target device that matches condition: %s.' %
              kwargs)
      else:
          return filtered
docs: Finds a list of AndroidDevice instance from a list that has specific
      attributes of certain values.
  
      Example:
          get_devices(android_devices, label='foo', phone_number='1234567890')
          get_devices(android_devices, model='angler')
  
      Args:
          ads: A list of AndroidDevice instances.
          kwargs: keyword arguments used to filter AndroidDevice instances.
  
      Returns:
          A list of target AndroidDevice instances.
  
      Raises:
          Error: No devices are matched.