Update app.py

app.py

@@ -84,11 +84,14 @@ demo = gr.Blocks()
 
 with demo:
     gr.Markdown("# PDB viewer using 3Dmol.js")
-    inp = gr.Textbox(
-        placeholder="PDB Code or upload file below", label="Input structure"
-    )
-    file = gr.File(file_count="single")
-    btn = gr.Button("View structure")
-    mol = gr.HTML()
+    with gr.Row():
+        with gr.Group():
+            inp = gr.Textbox(
+                placeholder="PDB Code or upload file below", label="Input structure"
+            )
+            file = gr.File(file_count="single")
+            gr.Examples(["2CBA", "6VXX"], inp)
+            btn = gr.Button("View structure")
+        mol = gr.HTML()
     btn.click(fn=update, inputs=[inp, file], outputs=mol)
 demo.launch()