code: def get_region():
      """Returns the default GCP region for running a job."""
      return "us-central1"
  
file_path: cloud/src/python/tensorflow_cloud/core/gcp.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import re
  import google.auth
label_desc: Use image node_id 3 for calling a global function with example usage: get_region() and returns: str