Update src/streamlit_app.py

src/streamlit_app.py

@@ -254,6 +254,15 @@ crime_dropdown = ipywidgets.Dropdown(
     options= sorted(top_10_crimes),
     description="Crime Type:")
 
+# Load geojson file.
+# gdf_counties = gpd.read_file("County_Boundary.geojson")
+    
+# Creat dropdown menu.
+year_dropdown = ipywidgets.Dropdown(
+    options= sorted(df['year'].unique()),
+    description='Year:'
+)
+
 # Create the map.
 def crime_map(year, crime):
     df_filtered = df[(df['year'] == year) & (df['crm_cd_desc'] == crime)].sample(n=300, random_state=1)