code: def _write_csv(self, examples):
      filename = os.path.join(tempfile.mkdtemp(), "input.csv")
      with open(filename, "w", newline="") as csvfile:
          csvwriter = csv.writer(csvfile, delimiter=",")
          for example in examples:
              csvwriter.writerow(example)
  
      return filename
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import csv
  import os
  import tempfile
  from unittest import mock
  from fairness_indicators.tutorial_utils import util
  import pandas
  import tensorflow
  import tensorflow_model_analysis
  from google.protobuf import text_format
label_desc: Use image node_id 5 for calling the UtilTest obj's underlying member method code with example usage: obj._write_csv(examples) and returns: filename