Update app.py

app.py

@@ -2,12 +2,26 @@ import streamlit as st
 import pandas as pd
 import numpy as np
 
-dal = pd.DataFrame(
-     np.random.randn(1, 1) / [50, 50] + [33.1032, -96.6706],
-     columns=['lat', 'lon'])
-pit=pd.DataFrame(
-     np.random.randn(1, 1) / [50, 50] + [40.4406, -79.9959],
-     columns=['lat', 'lon'])
-     
+data = pd.DataFrame({
+    'awesome cities' : ['Chicago', 'Minneapolis', 'Louisville', 'Topeka'],
+    'lat' : [41.868171, 44.979840,  38.257972, 39.030575],
+    'lon' : [-87.667458, -93.272474, -85.765187,  -95.702548]
+})
 
-st.map(dal+pit)
+# Adding code so we can have map default to the center of the data
+midpoint = (np.average(data['lat']), np.average(data['lon']))
+
+st.deck_gl_chart(
+            viewport={
+                'latitude': midpoint[0],
+                'longitude':  midpoint[1],
+                'zoom': 4
+            },
+            layers=[{
+                'type': 'ScatterplotLayer',
+                'data': data,
+                'radiusScale': 250,
+   'radiusMinPixels': 5,
+                'getFillColor': [248, 24, 148],
+            }]
+        )