code: def csv_writer_test(pdf):
      gdf = cudf.from_pandas(pdf)
  
      pd_buffer = pdf.to_csv()
      gd_buffer = gdf.to_csv()
  
      compare_content(pd_buffer, gd_buffer)
      actual = cudf.read_csv(StringIO(gd_buffer))
      expected = pd.read_csv(StringIO(pd_buffer))
      assert_eq(actual, expected)
  
file_path: cudf/python/cudf/cudf/_fuzz_testing/tests/fuzz_test_csv.py
imports: import sys
  from io import StringIO
  import pandas
  import cudf
  from cudf._fuzz_testing.csv import CSVReader, CSVWriter
  from cudf._fuzz_testing.main import pythonfuzz
  from cudf._fuzz_testing.utils import ALL_POSSIBLE_VALUES, compare_content, run_test
  from cudf.testing._utils import assert_eq
label_desc: Use image node_id 2 for calling a global function with example usage: csv_writer_test(pdf) without return types