code: def get_random_block(blocks_names):
      idx = np.random.randint(0, len(blocks_names))
      return blocks_names[idx]
  
file_path: model_search/model_search/search/common.py
imports: import os
  from model_search import block_builder
  from model_search.architecture import architecture_utils
  import numpy
  import tensorflow.compat.v2
label_desc: Use image node_id 9 for calling a global function with example usage: get_random_block(blocks_names) and returns: blocks_names