app.py

import gradio as gr

json_code = "```json\n{\n    \"classes\": [\n        \"http://data.europa.eu/949/ContactLineSystem\"\n    ],\n    \"properties\": [\n        \"http://data.europa.eu/949/contactLineSystemType\",\n        \"http://data.europa.eu/949/energySupplySystemTSICompliant\",\n        \"http://data.europa.eu/949/conditionsAppliedRegenerativeBraking\",\n        \"http://data.europa.eu/949/conditionalRegenerativeBrake\"\n    ]\n}\n```"


def chat(message, history):
    if "test" in message.lower():
        return "Type Python or JavaScript to see the code.", gr.Code(language="json", value=json_code)
    else:
        return "Please ask about Python or JavaScript.", None

with gr.Blocks() as demo:
    code = gr.Code(render=False)
    with gr.Row():
            gr.Markdown("<center><h1>Write Python or JavaScript</h1></center>")
            gr.ChatInterface(
                chat,
                examples=["Test"],
                additional_outputs=[code],
                type="messages"
            )
    with gr.Row():
            code.render()

demo.launch(share=True)