code: def get_pwc_catalog_urls() -> Mapping[str, str]:
      with open(constants.PWC_LINKS_PATH, "r") as f:
          return json.load(f)
  
imports: import collections
  import dataclasses
  import json
  import os
  import textwrap
  from typing import Any, Dict, List, Mapping, Optional, Tuple, Union
  import tensorflow_datasets
  from tensorflow_datasets.core import constants
  from tensorflow_datasets.core.utils.lazy_imports_utils import tensorflow
label_desc: Use image node_id 1 for calling a global function with example usage: get_pwc_catalog_urls() and returns: json