Update BasicAgent.py

BasicAgent.py

@@ -13,11 +13,17 @@ from smolagents import (
 class newAgent:
     """Adapts smolagents.CodeAgent to the HF course template API."""
     def __init__(self):
-        model_id = "Qwen/Qwen2.5-Coder-32B-Instruct"  # correct repo name
+        model_id = "meta-llama/Meta-Llama-3-70B-Instruct"  # correct repo name
         hf_token = os.getenv("HUGGINGFACEHUB_API_TOKEN")   # read real secret
         if not hf_token:
             raise RuntimeError("HUGGINGFACEHUB_API_TOKEN not set in Space secrets")
-
+#*
+        system_prompt=(
+                "You are an agent that answers exam questions."
+                "Your answers should contain only what is asked for in the question, without any other content."
+                "Be exact and concise in your answers to get a good score on the exam questions."
+        )
+#*
         model = HfApiModel(model_id=model_id, token=hf_token)
         
         # include FinalAnswerTool in tools so agent knows when to stop