Update app.py

app.py

@@ -53,6 +53,12 @@ with gr.Blocks() as iface:
                 with gr.Tab("Sketch"):
                     input_sketchpad = gr.Sketchpad(type="pil", label="Sketch", layers=False)
             input_tabs.select(fn=tabs_select, inputs=[state])
+
+            example_img = "https://sl.bing.net/i3YznO6vkiW"
+            example_button = gr.Button("Use example image")
+            df use_example_img():
+                return example_img
+            
             with gr.Row():
                 with gr.Column():
                     clear_btn = gr.ClearButton(
@@ -63,7 +69,7 @@ with gr.Blocks() as iface:
             fn=parse_input,
             inputs=[input_image, input_sketchpad, state],
             outputs= gr.Textbox(label = "Result")) 
-           
+        example_button.click(use_example_img, input_image)   
 # Launch the interface
 if __name__ == "__main__":
     iface.launch()