app.py

# Northern.Lights.Map.Streamlit.Folium - write a streamlit python program that uses functions and user interface elements of a textbox, a dial, a four direction button array for up down left right and display a folium map with the data in python list dictionaries with these values: Aurora Spottings, Notifications on Nerthern Lights, Northern lights map location cities and countries for Iceland on a map written with folium for latitude and longitude of top ten places to view Northern Lights.  Cite References as urls.
import streamlit as st
import folium
from folium import Marker
from streamlit_folium import folium_static

# Top 10 locations for viewing Northern Lights in Iceland
northern_lights_locations = [
    {"name": "Reykjavik", "lat": 64.1265, "lon": -21.8174},
    {"name": "Akureyri", "lat": 65.6885, "lon": -18.1262},
    {"name": "Vik", "lat": 63.4194, "lon": -19.0096},
    {"name": "Hofn", "lat": 64.2539, "lon": -15.2082},
    {"name": "Husavik", "lat": 66.0449, "lon": -17.3382},
    {"name": "Grundarfjordur", "lat": 64.9226, "lon": -23.2543},
    {"name": "Egilsstadir", "lat": 65.2669, "lon": -14.3948},
    {"name": "Seydisfjordur", "lat": 65.2592, "lon": -14.0101},
    {"name": "Isafjordur", "lat": 66.0750, "lon": -23.1266},
    {"name": "Kirkjufell", "lat": 64.9426, "lon": -23.3061},
]

def display_map(locations):
    # Create a folium map centered in Iceland
    iceland_map = folium.Map(location=[64.9631, -19.0208], zoom_start=6)

    # Add markers for the top 10 locations for viewing Northern Lights
    for location in locations:
        Marker(
            [location["lat"], location["lon"]],
            popup=f"<b>{location['name']}</b>",
        ).add_to(iceland_map)

    return iceland_map

# Streamlit app
st.title("Top 10 Locations to View Northern Lights in Iceland")

# Textbox
user_text = st.text_input("Enter your text:")

# Dial
dial_value = st.slider("Select a value:", 0, 100)

# Four-direction button array
st.write("Four-direction button array:")
col1, col2, col3 = st.columns(3)
with col2:
    st.button("Up")
with col1:
    st.button("Left")
with col3:
    st.button("Right")
with col2:
    st.button("Down")

# Display Folium map
st.write("Top 10 locations for viewing the Northern Lights in Iceland:")
folium_map = display_map(northern_lights_locations)
folium_static(folium_map)

# Cite references
st.write(
    """
    References:
    - [Folium documentation](https://python-visualization.github.io/folium/)
    - [Streamlit documentation](https://docs.streamlit.io/)
    - [Top 10 locations](https://www.guidetoiceland.is/best-of-iceland/top-10-places-to-see-the-northern-lights)
"""
)