Create app.py

app.py

@@ -0,0 +1,18 @@
+import gradio as gr
+
+mf={
+    "Heading1":"#",
+    "Heading2":"##",
+    "Heading3":"###",
+}
+
+def upd(inp,format):
+    line=mf[format]+inp
+    return line
+with gr.Blocks() as app:
+    format=gr.Dropdown(label="Line Format",choices=[m for m in list(mf.keys())])
+    txt=gr.Textbox()
+    btn=gr.Button()
+    prev=gr.HTML()
+    btn.click(upd,[txt,format],prev)
+app.launch()