code: def read_file(path):
      with open(path) as f:
          return f.read()
  
imports: import re
  import inspect
  import os
  import shutil
  from elephas import spark_model, ml_model
  from elephas.parameter import client, server
  from elephas.utils import functional_utils, rdd_utils, serialization
  from elephas.ml import adapter
  from elephas.mllib import adapter
  import sys
label_desc: Use image node_id 10 for calling a global function with example usage: read_file(path) and returns: f