code: def add_layers_to_end_of_conn_mat(conn_mat, num_add_layers):
      """Adds layers with no edges and returns."""
      new_num_layers = conn_mat.shape[0] + num_add_layers
      conn_mat.resize((new_num_layers, new_num_layers))
      return conn_mat
  
imports: from argparse import Namespace
  from copy import deepcopy
  import numpy
  from .neural_network import ConvNeuralNetwork, MultiLayerPerceptron, MLP_RECTIFIERS, MLP_SIGMOIDS, is_a_pooling_layer_label, is_a_conv_layer_label, CNNImageSizeMismatchException, CNNNoConvAfterIPException
  from ..utils.general_utils import reorder_list_or_array, reorder_rows_and_cols_in_matrix
  from ..utils.option_handler import get_option_specs, load_options
  from ..utils.reporters import get_reporter
label_desc: Use image node_id 3 for calling a global function with example usage: add_layers_to_end_of_conn_mat(conn_mat, num_add_layers) and returns: conn_mat