add examples

app.py

@@ -78,9 +78,13 @@ article = "<p style='text-align: center'><a href='https://ieeexplore.ieee.org/do
 iface = gr.Interface(
     fn=greet,
     inputs=image,
-    outputs="text"
+    outputs="text",
     title = title,
     description = description
     article=article
+    examples = [
+        "3.jpg",
+        "4.jpg",
+    ]
     )
 iface.launch()