class_docstr: Client wrapper to access Google Cloud Datastore.
docstr: Retrieves an entity given its key.
docstr_tok: ["Retrieves","an","entity","given","its","key","."]
code: def get(self, key, transaction=None):
      """Retrieves an entity given its key."""
      return self._client.get(key, transaction=transaction)
  
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 7 for calling the CompetitionDatastoreClient obj's underlying member method code with example usage: obj.get(key, transaction) and returns: self