code: def _deep_merge(things: list):
      if len(things) == 1:
          return things[0]
  
      # Recurse into dicts.
      if isinstance(things[0], dict):
          result = {}
          for thing in things:
              for key, value in thing.items():
                  if key not in result:
                      result[key] = _deep_merge(
                          [t[key] for t in things]
                      )
          return result
  
      # Vote for booleans.
      if isinstance(things[0], bool):
          if all(x is True for x in things):
              return True
          if all(x is False for x in things):
              return False
          return None  # i.e. maybe
  
      # Otherwise choose arbitrarily.
      return things[0]
  
imports: import itertools
  import os
  from collections import defaultdict
  from pathlib import Path
  from types import SimpleNamespace
  from typing import Callable, Collection, Dict, List, Optional, Union
  import torch
  import pyro
  import pyro.distributions
  import pyro.poutine
  from pyro.ops.provenance import ProvenanceTensor, detach_provenance, get_provenance
  from pyro.poutine.messenger import Messenger
  from pyro.poutine.util import site_is_subsample
label_desc: Use image node_id 7 for calling a global function with example usage: _deep_merge(things) and returns: things, things, result, None, True, False