Update app.py

app.py

@@ -2,14 +2,20 @@ import os
 import gradio as gr
 import requests
 import pandas as pd
-from smolagents import CodeAgent, DuckDuckGoSearchTool, HfEngine
+from smolagents import CodeAgent, DuckDuckGoSearchTool, HfEngine  # 
 
+# --- Constants ---
+DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
+
+# --- Agent Definition ---
 def create_agent():
-    # Use Hugging Face Inference API
-    model = HfEngine(model_id="Qwen/Qwen2.5-Coder-32B-Instruct")
+    # We use Qwen2.5-Coder as the brain 🧠
+    model = HfEngine(model_id="Qwen/Qwen2.5-Coder-32B-Instruct")  # 
     
+    # We give it the search tool so it can find answers on the web 🔍
     search_tool = DuckDuckGoSearchTool()
     
+    # The CodeAgent can write Python to solve complex problems 🐍
     agent = CodeAgent(
         tools=[search_tool],
         model=model,