class_docstr: Example implementation of S3-like persistence client
code: def download_file(self, path, file):
      s3 = boto3.client("s3")
      bucket, objectKey = decode_path(path)
      s3.download_file(self, bucket, objectKey, file)
  
file_path: h2o-3/h2o-persist-drive/src/main/resources/drive_client.py
imports: import boto3
  import itertools
label_desc: Use image node_id 3 for calling the DriveClient obj's underlying member method code with example usage: obj.download_file(path, file) without return types