code: def add_key_examples(f):
      for key in KEY_EXAMPLES:
          f = hypothesis.example(key)(f)
      return f
  
imports: import contextlib
  import datetime
  import os
  import pickle
  import unittest
  import zoneinfo
  from test.support.hypothesis_helper import hypothesis
  import test.test_zoneinfo._support
label_desc: Use image node_id 3 for calling a global function with example usage: add_key_examples(f) and returns: f