app.py

import gradio as gr

def fn():
    df = pd.DataFrame(data={'x': [1, 2], 'y': [3, 4], "cos": [0.1, 0.5]})
    return df, df.to_html()
    
iface = gr.Interface(
    fn=fn,
    "text",
    outputs=["dataframe", "html"],
    title="Test dataframe and html",
    description="Test dataframe and html",
    # layout="vertical",
)

iface.launch(share=False, debug=True)
# iface.launch()