app.py

import streamlit as st
import os

x = st.slider('Select a value')
st.write(x, 'squared is', x * x)

uploaded_file = st.file_uploader("Upload File")
if uploaded_file is not None:
    file_details = {"FileName":uploaded_file.name,"FileType":uploaded_file.type}
    st.write(file_details)
    with open(os.path.join("tempDir",uploaded_file.name),"wb") as f: 
      f.write(uploaded_file.getbuffer())         
    st.success("Saved File")