code: def blob_commands(args):
      if args.command == "download":
          download_blob(
              args.bucket_name,
              args.source_blob_name,
              args.destination_file_name,
          )
      elif args.command == "save":
          save_files(
              args.bucket_name, args.source_path, args.destination_path
          )
  
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 5 for calling a global function with example usage: blob_commands(args) without return types