02-06-22-stmultipage-mp1.py

    import streamlit as st
    import pandas as pd
    import plotly.express as px

    st.set_page_config(layout="wide")

    df = pd.DataFrame(px.data.gapminder())

    def countryData():
        # Countries code goes here

    def continentData():
        # Continents code goes here

    st.header("National Statistics")
    page = st.sidebar.selectbox('Select page',['Country data','Continent data']) 
    if page == 'Country data':
        countryData()
    else:
        continentData()