code: def strip_indentation(multiline_string):
      return RGX_EXTRA_INDENT.sub("", multiline_string)
  
imports: import inspect
  import linecache
  import sys
  import re
  import os
  from IPython import get_ipython
  from contextlib import contextmanager
  from IPython.utils import PyColorize
  from IPython.utils import coloransi, py3compat
  from IPython.core.excolors import exception_colors
  from pdb import Pdb
label_desc: Use image node_id 4 for calling a global function with example usage: strip_indentation(multiline_string) and returns: RGX_EXTRA_INDENT