code: def notebook_header(text):
      """
      Insert section header into a jinja file, formatted as notebook cell.
  
      Leave 2 blank lines before the header.
      """
      return f"""# # {text}
  
  """
  
file_path: traingenerator/app/utils.py
imports: import streamlit
  import pickle
  import pandas
  import json
  import base64
  import uuid
  import re
  import jupytext
  from bokeh.models.widgets import Div
  import math
  import importlib.util
label_desc: Use image node_id 2 for calling a global function with example usage: notebook_header(text) and returns: str, text, str