updated app.py file, updated graphs

app.py

@@ -19,14 +19,17 @@ def create_graphs():
     # Wind Speed over Time
     fig_wind = px.line(df, x='datetime', y='windspeed', title='Wind Speed Over Time')
 
+    df['heat_index'] = df['temp'] + (0.55 - 0.55 * df['humidity'] / 100) * (df['temp'] - 58)
+    fig_heat = px.line(df.groupby('year')['heat_index'].mean(), title='Heat Index Over the Years')
+
     # Return multiple graphs
-    return fig_temp, fig_precip, fig_wind
+    return fig_temp, fig_precip, fig_wind, fig_heat
 
 # Create Gradio interface
 interface = gr.Interface(
     fn=create_graphs,
     inputs=None,  # No input required, as we are just displaying graphs
-    outputs=[gr.Plot(), gr.Plot(), gr.Plot()],  # Multiple graph outputs
+    outputs=[gr.Plot(), gr.Plot(), gr.Plot(), gr.Plot()],  # Multiple graph outputs
     title="Weather Data Analysis",
     description="This app shows multiple weather analysis graphs based on the dataset."
 )