Add application file

app.py

@@ -80,7 +80,7 @@ iface = gr.Interface(
     fn=generate_questions,
     inputs=[
         gr.Dropdown(["beginner", "intermediate", "advanced"], label="User Level"),
-        gr.Number(default=5, label="Number of Questions"),
+        gr.Number(value=5, label="Number of Questions"),
         gr.Dropdown(["Short answer", "Single choice", "Multiple choice"], label="Question Type"),
         gr.Dropdown(["English", "Vietnamese"], label="Language"),
         gr.Dropdown(["English", "Vietnamese"], label="Explanation Language"),