code: def main():
      parser = argparse.ArgumentParser(
          formatter_class=argparse.RawDescriptionHelpFormatter
      )
  
      subparsers = parser.add_subparsers(dest="command")
  
      # Download file from storage
      download_parser = subparsers.add_parser(
          "download", help=download_blob.__doc__
      )
      download_parser.add_argument(
          "bucket_name", help="Your cloud storage bucket."
      )
      download_parser.add_argument("source_blob_name")
      download_parser.add_argument("destination_file_name")
  
      # Save logs to storage
      save_parser = subparsers.add_parser(
          "save", help=save_files.__doc__
      )
      save_parser.add_argument(
          "bucket_name", help="Your cloud storage bucket."
      )
      save_parser.add_argument("source_path")
      save_parser.add_argument("destination_path")
  
      args = parser.parse_args()
      blob_commands(args)
  
file_path: snakemake/snakemake/executors/google_lifesciences_helper.py
imports: import argparse
  from google.cloud import storage
  from glob import glob
  import sys
  import os
label_desc: Use image node_id 6 for calling a global function with example usage: main() without return types