Update app.py

app.py

@@ -25,16 +25,18 @@ async def health_check():
 
 @app.post("/evaluate")
 async def evaluate_code(request: EvalRequest):
-    # Removed the extra instructions here to save tokens and speed up reading time
-    prompt = f"{request.task_description}\n\nStudent Code:\n{request.python_code}"
+    prompt = f"Task Context:\n{request.task_description}\n\nStudent Code:\n{request.python_code}"
     
     response = llm.create_chat_completion(
         messages=[
-            {"role": "system", "content": "You are a Frendly Python grader. Output only valid JSON."},
+            {
+                "role": "system", 
+                "content": "You are a friendly, positive Python grading assistant. You strictly output valid JSON only. The score you provide must strictly be an integer from 0 to 100."
+            },
             {"role": "user", "content": prompt}
         ],
         max_tokens=250, 
-        temperature=0.1 # Lowered slightly for stricter JSON formatting
+        temperature=0.1 
     )
-    
+        
     return {"evaluation": response['choices'][0]['message']['content']}