code: def default_config():
      """Return a config object with good defaults for testing."""
      config = Config()
      config.TerminalInteractiveShell.colors = "NoColor"
      config.TerminalTerminalInteractiveShell.term_title = (False,)
      config.TerminalInteractiveShell.autocall = 0
      f = tempfile.NamedTemporaryFile(
          suffix="test_hist.sqlite", delete=False
      )
      config.HistoryManager.hist_file = f.name
      f.close()
      config.HistoryManager.db_cache_size = 10000
      return config
  
imports: from __future__ import absolute_import
  import os
  import re
  import sys
  import tempfile
  from contextlib import contextmanager
  from io import StringIO
  from subprocess import Popen, PIPE
  from traitlets.config.loader import Config
  from IPython.utils.process import get_output_error_code
  from IPython.utils.text import list_strings
  from IPython.utils.io import temp_pyfile, Tee
  from IPython.utils import py3compat
  from IPython.utils.encoding import DEFAULT_ENCODING
  from .None import decorators
  from .None import skipdoctest
label_desc: Use image node_id 4 for calling a global function with example usage: default_config() and returns: config