app.py

import pandas as pd
import gradio as gr

def load_data(file):
    try:
        df = pd.read_csv(file.name)
        return df.head().to_markdown()
    except Exception as e:
        return f"Error: {str(e)}"

with gr.Blocks() as demo:
    gr.Markdown("# 📊 Dataset Explorer\nUpload a CSV file to view a quick preview")
    with gr.Row():
        file_input = gr.File(label="Upload CSV", file_types=[".csv"])
        output = gr.Markdown()
    file_input.change(fn=load_data, inputs=file_input, outputs=output)

demo.launch()