Update main.py

main.py

@@ -16,6 +16,7 @@ iface = gr.Interface(
     examples=[
     ["ls"],
     ["pwd"],
-    ["echo 'Hello, Gradio!'",'python --version']]
+    ["echo 'Hello, Gradio!'"],
+    ["python --version"]]
 )
 iface.launch(server_name="0.0.0.0", server_port=7860)