code: def main():
      test_df = create_dataset()
  
      for i in range(0, 5):
          proc = multiprocessing.get_context("fork").Process(
              target=test_sub_process, args=(test_df, i)
          )
          proc.start()
          proc.join()
  
          print(f"Executed sub process {i}")
  
imports: import multiprocessing
  import polars
label_desc: Use image node_id 3 for calling a global function with example usage: main() without return types