app.py

import pandas as pd
import gradio as gr


def example_fn(text):
    d = {'c1': ["This is col 1"], 'c2': ["This is col 2"], 'c3': ["This is col 3"], 
         'c4': ["This is col 4"], 'c5': ["This is col 5"], 'c6': ["This is col 6"], 
         'c7': ["This is col 7"], 'c8': ["This is col 8"], 'c9': ["This is col 9"],
         'c10': ["This is col 10"], 'c11': ["This is col 11"], 'c12': ["This is col 12"],
         'c13': ["This is col 13"], 'c14': ["This is col 14"], 'c15': ["This is col 15"]}
    df = pd.DataFrame(data=d)
    return df

demo = gr.Interface(
    fn = example_fn,
    inputs = [gr.Textbox(label="Input", lines=3, )
             ],
    outputs = [gr.DataFrame()],
    title="Test",
    allow_flagging=False,
)

demo.launch()