Update app.py

app.py

@@ -1,8 +1,23 @@
 import gradio as gr
+jsf = """
+function refresh() {
+    const url = new URL(window.location);
 
-"""def greet(name):
-    return "Hello " + name + "!!"
+    if (url.searchParams.get('__theme') !== 'dark') {
+        url.searchParams.set('__theme', 'dark');
+        window.location.href = url.href;
+    }
+}
+"""
+def update(name):
+    return f"Welcome to Gradio, {name}!"
 
-demo = gr.Interface(fn=greet, inputs="text", outputs="text")
-demo.launch()"""
-gr.themes.builder()
+with gr.Blocks(theme='SnowFlash383935/DarkEmerald', js=jsf) as demo:
+    gr.Markdown("Start typing below and then click **Run** to see the output.")
+    with gr.Row():
+        inp = gr.Textbox(placeholder="What is your name?")
+        out = gr.Textbox()
+    btn = gr.Button("Run")
+    btn.click(fn=update, inputs=inp, outputs=out)
+
+demo.launch()