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import gradio as gr
import random

countries = [
    "Algeria", "Argentina", "Australia", "Brazil", "Canada", "China", "Democratic Republic of the Congo", "Greenland (Denmark)", "India", "Kazakhstan", "Mexico", "Mongolia", "Peru", "Russia", "Saudi Arabia", "Sudan", "United States"
]

with gr.Blocks() as demo:
    with gr.Row():
        count = gr.Slider(1, 10, step=1, label="Country Count")
        alpha_order = gr.Checkbox(True, label="Alphabetical Order")

    gr.JSON(lambda count, alpha_order: countries[:count] if alpha_order else countries[-count:], inputs=[count, alpha_order])
    timer = gr.Timer(1)
    with gr.Row():
        gr.Textbox(lambda: random.choice(countries), label="Random Country", every=timer)
        gr.Textbox(lambda count: ", ".join(random.sample(countries, count)), inputs=count, label="Random Countries", every=timer)
    with gr.Row():
        gr.Button("Start").click(lambda: gr.Timer(active=True), None, timer)
        gr.Button("Stop").click(lambda: gr.Timer(active=False), None, timer)

if __name__ == "__main__":
    demo.launch()