app.py

import gradio as gr
port=5000      

def placeholder_fn(input):
    st.write(input)

# Start the WebSocket server 
async def start_websockets():
    await(websockets.serve(handleWebSocket, 'localhost', port))
    print(f"Starting WebSocket server on port {port}...")

with gr.Blocks() as demo:

    # Define Gradio interface
    fn=placeholder_fn,  # Placeholder function
    inputs=[gr.Textbox()],
    outputs=[gr.Textbox()],
    startWebsockets = gr.Button("start Websocket Server")
    startWebsockets.click(start_websockets)
    live=True
demo.launch(server_port=8888)