code: def all_buckets():
      """Return a key,value iterator for all the buckets in the global collection.
  
      :rtype:dict[str, GcsBucket]
      """
      return GCS_BUCKETS.items()
  
imports: import base64
  import error_response
  import hashlib
  import json
  import random
  import re
label_desc: Use image node_id 11 for calling a global function with example usage: all_buckets() and returns: GCS_BUCKETS