Update agent.py: refine final answer instructions and adjust BasicAgent model parameters

agent.py

@@ -31,8 +31,9 @@ If you are asked for a number only answer with the number itself, without any ad
 If you are asked for a string only answer with the string itself, without any additional text or formatting.
 If you are asked for a list only answer with the list itself, without any additional text or formatting.
 
-Finish your Answer with the following template:
-FINAL ANSWER: [YOUR FINAL ANSWER]
+Think step by step. Report your thoughts.
+Finish your answer with the following template: 
+FINAL ANSWER: [YOUR FINAL ANSWER].
 
 For example, if the question is "What is the capital of France?", you should answer:
 FINAL ANSWER: Paris
@@ -43,8 +44,8 @@ FINAL ANSWER: 4
 If the question is "What is 1 divided by 2, answer with 2 digits after the decimal point?", you should answer:
 FINAL ANSWER: 0.50
 
-Think step by step, and use the tools provided to gather information if necessary.
-Report your thoughts, and finish your answer with the following template: FINAL ANSWER: [YOUR FINAL ANSWER].
+If the quesion is "What is 10 * 10 with four digits after the decimal point?", you should answer:
+FINAL ANSWER: 100.0000
 """
 
 
@@ -111,7 +112,7 @@ def wikipedia_page(title: str) -> str:
 class BasicAgent:
     def __init__(self):
         model = OpenAIServerModel(
-            model_id="gpt-4.1",
+            model_id="gpt-4o-mini",
             api_key=os.getenv("OPENAI_API_KEY"),
             temperature=0.0,
         )
@@ -120,7 +121,7 @@ class BasicAgent:
         visitor = VisitWebpageTool(max_output_length=4000)
         wiki_search = WikipediaSearchTool()
         self.agent = CodeAgent(
-            max_steps=5,
+            max_steps=10,
             verbosity_level=0,
             tools=[
                 search,
@@ -135,7 +136,6 @@ class BasicAgent:
             additional_authorized_imports=["pandas", "numpy"],
             use_structured_outputs_internally=True,
             add_base_tools=True,
-            # final_answer_checks=[is_correct_format],
         )
         logging.info(
             f"System prompt set for BasicAgent: {self.agent.memory.system_prompt}"