code: def get_functions():
      from nx_cugraph.interface import BackendInterface
      from nx_cugraph.utils import networkx_algorithm
  
      return {
          key: val
          for key, val in vars(BackendInterface).items()
          if isinstance(val, networkx_algorithm)
      }
  
label_desc: Use image node_id 1 for calling a global function with example usage: get_functions() and returns: unknown