code: def generate_html_response():
      html_content = """
      <html>
          <head>
              <title>Some HTML in here</title>
          </head>
          <body>
              <h1>Look ma! HTML!</h1>
          </body>
      </html>
      """
      return HTMLResponse(content=html_content, status_code=200)
  
label_desc: Use image node_id 1 for calling a global function with example usage: generate_html_response() and returns: HTMLResponse