code: def export_parquet_multipart():
      test_cases = {
          "smalldata/prostate/prostate.csv",  # to check nums and categories
          "smalldata/titanic/titanic_expanded.csv",  # to check nums and categories
          "smalldata/testng/airquality_train1.csv",  # to check NA
          "smalldata/gbm_test/autoclaims.csv",  # to check datetime
          "smalldata/demos/item_demand.csv",
      }  # to check datetime + more chunks
  
      for case in test_cases:
          print("Testing parquet export on " + case)
          test_export_import_parquet(case)
  
file_path: h2o-3/h2o-py/tests/testdir_misc/pyunit_export_parquet_multi.py
imports: from builtins import range
  import sys
  import h2o
  from tests import pyunit_utils
  import string
  import os
  import glob
  import random
  from pandas.util.testing import assert_frame_equal
label_desc: Use image node_id 1 for calling a global function with example usage: export_parquet_multipart() without return types