import streamlit as st

def reference():
    st.markdown("This page is used to list all references when implementing this online tutorials")
    st.markdown("""
                
                - [Emoji for Markdown](https://gist.github.com/rxaviers/7360908)"
                - [Streamlit Cheat Sheet](https://cheat-sheet.streamlit.app/)
                - [Navigation Bar](https://docs.streamlit.io/develop/api-reference/navigation/st.navigation)
                - [Menu Bar](https://nicedouble-streamlitantdcomponentsdemo-app-middmy.streamlit.app/)
                - [Bootstrap Icon](https://icons.getbootstrap.com/)
                - [Code editor](https://okld-gallery.streamlit.app/)
                
    """)