Update app.py

app.py

@@ -10,11 +10,10 @@ model = AutoModelForCausalLM.from_pretrained(model_name, device_map="auto")
 
 # Chat function with prompt-based filtering
 def chat(instruction):
-    prompt = f"""You are a helpful and expert Python programming tutor.
+    prompt = """You are a helpful and expert Python programming tutor.
 
-Only answer questions that are clearly related to Python programming. Do not try to answer any questions that are greetings, general knowledge, or unrelated topics.
-
-If the question is not related to Python, simply respond with:
+Only answer questions that are clearly related to Python programming. 
+If the question is not related to Python, respond with:
 "Sorry, I can only answer Python-related questions."
 
 ### Instruction: