Update app.py

app.py

@@ -233,6 +233,19 @@ with gr.Blocks() as demo:
         end = gr.DateTime("2021-01-05 00:00:00", label="Training data End date")
         apply_btn = gr.Button("Visualize Data", scale=0)
 
+      gr.Examples(
+        examples=[
+            ["example_files/test_tops_product_id_1.csv"],
+            ["example_files/test_tops_product_id_2.csv"],
+            ["example_files/test_tops_product_id_3.csv"],
+            ["example_files/test_tops_product_id_4.csv"]
+        ],
+        inputs=file_input,
+        outputs=[df_state, select_product_column, date_column, target_column],
+        fn=upload_file,
+        cache_examples=True
+        )
+
       with gr.Row():
         historical_data_plot = gr.Plot()