code: def GoldenFileData(filename):
      """Finds the given golden file and returns its contents."""
      with GoldenFile(filename) as f:
          return f.read()
  
imports: import numbers
  import operator
  import os.path
  import sys
  from google.protobuf import unittest_import_pb2
  from google.protobuf import unittest_pb2
  from google.protobuf import descriptor_pb2
label_desc: Use image node_id 9 for calling a global function with example usage: GoldenFileData(filename) and returns: f