Update app.py

app.py

@@ -99,7 +99,7 @@ def process_input():
     conversation_id = request.form['CallSid']
     #print("Conversation Id: " + conversation_id)
 
-    if user_input.lower() in ''['thank you', 'thanks.', 'bye.', 'goodbye.','no thanks.','no, thank you.','i m good.','no, i m good.','same to you.','no, thanks.','thank you.']:
+    if user_input.lower() in ['thank you', 'thanks.', 'bye.', 'goodbye.','no thanks.','no, thank you.','i m good.','no, i m good.','same to you.','no, thanks.','thank you.']:
         response = VoiceResponse()
         response.say("Thank you for using our service. Goodbye!")