app.py

import gradio as gr
import time

def count_files(message, history):
    num_files = len(message["files"])
    return f"You uploaded {num_files} files"

demo = gr.ChatInterface(fn=count_files, examples=[
    {"text": "Hello", "files": ['https://www.gradio.app/_app/immutable/assets/header-image.DJQS6l6U.jpg']},
    {"text": "Hello", "files": ['https://www.gradio.app/_app/immutable/assets/gradio-logo-with-title.3SNGTZpF.svg']},
    {"text": "Hello", "files": ['https://user-images.githubusercontent.com/1778297/158659207-04015a06-5cad-4ee1-bdbd-291054551540.png']},
    {"text": "Hello", "files": ['https://chunte-hfba.static.hf.space/images/Brand%20Logos/Rainbow%20Hugging%20Face.png']},
    {"text": "Hello", "files": ['https://www.gstatic.com/webp/gallery/1.sm.webp']},
    ], title="Echo Bot", multimodal=True)

demo.launch()