app.py

import gradio as gr
import requests
import json




def get_rss(rss_json_url):
    r = requests.get(f'{rss_json_url}') 
    lod = json.loads(r.text)
    return lod

with gr.Blocks() as app:
    with gr.Row():
        inp = gr.Textbox()
        btn = gr.Button()
    out_json = gr.JSON()
    btn.click(get_rss,inp,out_json)
app.launch()