class_docstr: Client wrapper to access Google Cloud Storage.
docstr: Lists names of all blobs by their prefix.
docstr_tok: ["Lists","names","of","all","blobs","by","their","prefix","."]
code: def list_blobs(self, prefix=""):
      """Lists names of all blobs by their prefix."""
      return [b.name for b in self.bucket.list_blobs(prefix=prefix)]
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import logging
  import math
  import random
  import time
  import traceback
  from google.cloud import datastore
  from google.cloud import storage
  from google.cloud.exceptions import TooManyRequests
label_desc: Use image node_id 2 for calling the CompetitionStorageClient obj's underlying member method code with example usage: obj.list_blobs(prefix) and returns: unknown