Update self-learning-quiz.py

self-learning-quiz.py

@@ -29,11 +29,9 @@ def interactive_quiz(user_response=None, continue_quiz='yes', question_index=0):
 
     return "\n".join(output_messages), question_index
 
-iface = gr.Interface(
+gr.Interface(
     fn=interactive_quiz,
     inputs=["text", "text", "number"],
     outputs=["text", "number"],
     live=True
-)
-
-iface.launch()
+).launch()