code: def create_csv_file(number_of_files, col_names=None):
      for i in range(number_of_files):
          filename = CSV_FILE_PATH.format(i)
          df = pd.DataFrame(
              [[1, 2, 3], [1, 2, 3], [1, 2, 3], [1, 2, 3]]
          )
          df.to_csv(filename, index=False)
  
file_path: pyjanitor/tests/io/test_read_csvs.py
imports: import glob
  import os
  import pandas
  import pytest
  from janitor import io
label_desc: Use image node_id 1 for calling a global function with example usage: create_csv_file(number_of_files, col_names) without return types