app.py

import streamlit as st
st.title(":blue[Demo App for multipage application!]")
page_no = st.number_input("**Enter the page number you want to navigate to!**",min_value = 0, max_value = 3, step = 1)
if st.button("Go to page 1"):
#if page_no == 1:
    st.switch_page("pages/page1.py")
if st.button("page 2"):
#elif page_no == 2:
    st.switch_page("pages/page2.py")
#else:
#   st.switch_page("pages/page3.py")

course = st.radio(" Select your course",["DS","DA","GenAI","FSD"])
st.write("Course seleceted:",course)