Secondary page or navigation for single streamlit

Using Streamlit
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1

I am not sure about this functionality but can we add a page navigation button or kind of page/info tab using button funtionalit in single streamlit app.

I have a streamlit app with app.py file with all my code in it. Now I want to add about_page for that app without creating multipage functionality.

If anyone has suggestion we can achieve this or different approach to add about_page in single file?

2

How many characters you plan to put in about page. Why not use dialog or expander api’s.

3

Achieved with st.experimental_dialog() method.