# Importing Streamlit for building the web-based interactive application framework import streamlit as st # Function to include background image and opacity def display_background_image(url, opacity): """ Displays a background image with a specified opacity on the web app using CSS. Args: - url (str): URL of the background image. - opacity (float): Opacity level of the background image. """ # Set background image using HTML and CSS st.markdown( f""" """, unsafe_allow_html=True, )