pages/1-page1.py

import streamlit as st

st.title('Page 1')

with st.container():
    st.subheader('Current page info:')
    st.write(st.query_params)
    st.link_button("Link to main page", "/")
    st.link_button("Link to main page with query params", "/?key=val")
    st.link_button("Link to this page", "page1")
    st.link_button("Link to this page with query params", "page1?key=val")