Update app.py

app.py

@@ -99,7 +99,7 @@ with gr.Blocks() as demo:
         with gr.Column(scale=3):
             gr.Markdown("### 🖥 Sandbox Cloud Console")
             terminal_output = gr.Textbox(label="", lines=20, interactive=False)
-            command_input = gr.Textbox(label="Command Input", placeholder="print('Hello!')", interactive=True)
+            command_input = gr.Textbox(label="Command Input", placeholder="echo SandBox!", interactive=True)
             run_btn = gr.Button("Run Command")
         
         # Side Panel