code: def get_comment(ext):
      return re.escape(_SCRIPT_EXTENSIONS[ext]["comment"])
  
file_path: jupytext/src/jupytext/magics.py
imports: import re
  from .languages import _COMMENT, _SCRIPT_EXTENSIONS, usual_language_name
  from .stringparser import StringParser
label_desc: Use image node_id 1 for calling a global function with example usage: get_comment(ext) and returns: re