code: def read_markdown(file):
      try:
          with open(file, "r", encoding="utf-8") as mdfile:
              output = mdfile.read()
              return output
      except FileNotFoundError:
          print("[FileNotFound] Missing the include file: " + file)
  
file_path: generative-ai-docs/demos/palm/python/docs-agent/scripts/markdown_to_plain_text.py
imports: from markdown import markdown
  from bs4 import BeautifulSoup
  import os
  import re
  import json
  import frontmatter
  import read_config
  import uuid
label_desc: Use image node_id 3 for calling a global function with example usage: read_markdown(file) and returns: output