code: def code_header(text):
      """
      Insert section header into a jinja file, formatted as Python comment.
  
      Leave 2 blank lines before the header.
      """
      seperator_len = (75 - len(text)) / 2
      seperator_len_left = math.floor(seperator_len)
      seperator_len_right = math.ceil(seperator_len)
      return f"# {'-' * seperator_len_left} {text} {'-' * seperator_len_right}"
  
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 3 for calling a global function with example usage: code_header(text) and returns: str, unknown, str, text, str, unknown