Update app.py

app.py

@@ -1,21 +1,32 @@
-
 import gradio as gr
+
 from gradio_folium import Folium
 from folium import Map
+
 import pandas as pd
 import pathlib
 
+# create a dataframe with pathlib's Path to a __file__ in parent called cities.csv with places and latitude/longitude
 df = pd.read_csv(pathlib.Path(__file__).parent / "cities.csv")
 
+# select function with input dataframe and data where gradio Selects the Data then put data index 0 into df.iloc, then Map that location
 def select(df, data: gr.SelectData):
     row = df.iloc[data.index[0], :]
     return Map(location=[row['Latitude'], row['Longitude']])
 
+# gradio blocks demo
 with gr.Blocks() as demo:
-    gr.Markdown(("# 🗺️ Explore World Capitals with Gradio and Folium\n"
-                 "Install this custom component with `pip install gradio_folium`"))
+    
+    gr.Markdown(("# 🗺️ Explore AI Data Maps with Gradio and Folium\n"
+                 "Install this custom component with `pip install gradio_folium` - wheel files in this directory"))
+
+    # define map using Folium
     map = Folium(value=Map(location=[25.7617, -80.1918]), height=400)
+
+    # Create a DataFrame viewer with dataframe input
     data = gr.DataFrame(value=df, height=200)
+
+    # Run select with data and map
     data.select(select, data, map)
 
 demo.launch()