code: def compute_on_local_backend():
      movie_views = parse_file(FLAGS.input_file)
      pipeline_backend = pipeline_dp.LocalBackend()
      dp_result = list(
          calculate_private_result(movie_views, pipeline_backend)
      )
      write_to_file(dp_result, FLAGS.output_file)
  
imports: from absl import app
  from absl import flags
  from apache_beam.runners.portability import fn_api_runner
  import pyspark
  from examples.movie_view_ratings.common_utils import *
  import pipeline_dp
  import numpy
label_desc: Use image node_id 6 for calling a global function with example usage: compute_on_local_backend() without return types