Update app.py

Incorporating the code agent from the first assignment

app.py

@@ -16,14 +16,65 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 
 # --- Basic Agent Definition ---
 # ----- THIS IS WERE YOU CAN BUILD WHAT YOU WANT ------
+final_answer = FinalAnswerTool()
+
+model = LiteLLMModel(
+    model_id="gemini/gemini-2.0-flash",
+    temperature=0.7,
+    api_key=os.environ.get("GEMINI_KEY")
+)
+
+# Import tool from Hub
+image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)
+
+@tool
+def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
+    #Keep this format for the description / args / args description but feel free to modify the tool
+    """A tool that provides web search via duckduckgo 
+    Args:
+        arg1: the first argument
+        arg2: the second argument
+    """
+    search_tool = DuckDuckGoSearchTool()
+    return search_tool(arg1)
+
+@tool
+def get_current_time_in_timezone(timezone: str) -> str:
+    """A tool that fetches the current local time in a specified timezone.
+    Args:
+        timezone: A string representing a valid timezone (e.g., 'America/New_York').
+    """
+    try:
+        # Create timezone object
+        tz = pytz.timezone(timezone)
+        # Get current time in that timezone
+        local_time = datetime.datetime.now(tz).strftime("%Y-%m-%d %H:%M:%S")
+        return f"The current local time in {timezone} is: {local_time}"
+    except Exception as e:
+        return f"Error fetching time for timezone '{timezone}': {str(e)}"
+
 class BasicAgent:
     def __init__(self):
+        with open("prompts.yaml", 'r') as stream:
+            prompt_templates = yaml.safe_load(stream) 
+        self.agent = CodeAgent(
+            model=model,
+            tools=[final_answer, my_custom_tool],
+            max_steps=6,
+            verbosity_level=1,
+            grammar=None,
+            planning_interval=None,
+            name=None,
+            description=None,
+            prompt_templates=prompt_templates
+        )
         print("BasicAgent initialized.")
     def __call__(self, question: str) -> str:
         print(f"Agent received question (first 50 chars): {question[:50]}...")
-        fixed_answer = "This is a default answer."
-        print(f"Agent returning fixed answer: {fixed_answer}")
-        return fixed_answer
+        # fixed_answer = "This is a default answer."
+        final_answer = self.agent.run(question)
+        print(f"Agent returning fixed answer: {final_answer}")
+        return final_answer
 
 def run_and_submit_all( profile: gr.OAuthProfile | None):
     """