code: def h2(text):
      return md_line(f"## {text}")
  
imports: import argparse
  import collections
  import doctest
  import functools
  import importlib
  import inspect
  import os
  import pathlib
  import re
  import shutil
  from numpydoc.docscrape import ClassDoc, FunctionDoc
label_desc: Use image node_id 3 for calling a global function with example usage: h2(text) and returns: md_line