code: def is_valid_categorical_partition_object(partition_object):
      
      if partition_object is None or ("weights" not in partition_object) or ("values" not in partition_object):
          return False
      # Expect the same number of values as weights; weights should sum to one
      if len(partition_object['values']) == len(partition_object['weights']) and \
              np.allclose(np.sum(partition_object['weights']), 1):
          return True
      return False
docs: Tests whether a given object is a valid categorical partition object.
      :param partition_object: The partition_object to evaluate
      :return: Boolean