app.py

import streamlit as st
import pandas as pd

file = st.file_uploader('Seleccione un archivo: ')

if file is not None: 
  dataxb = pd.read_pickle(file)
  st.write('Filas, Columnas de Data de Prueba: ', dataxb.shape)
  n_cols = len(dataxb.columns)
  n_cats = 2
    
x = st.slider('Select a value')
st.write(x, 'squared is', x * x)