app.py

import gradio as gr
from pprint import pprint

def update_list(current_list):
    if not current_list:
        current_list = []
    new_item = f"Item {len(current_list) + 1}"
    current_list.append(new_item)
    return current_list

with gr.Blocks() as demo:
    with gr.Row():
        button = gr.Button("Add Item")
    radio = gr.Radio(label="Items List", choices=[])
    state = gr.State([])  # Initialize state

    # When button is clicked, update the list
    button.click(fn=update_list, inputs=state, outputs=state)
    
    # Update the radio options when the state changes
    state.change(fn=lambda x: x, inputs=state, outputs=radio)

demo.launch()