Update app.py

app.py

@@ -10,11 +10,13 @@ def amazon_product_scraper(search_url: str) -> tuple[pd.DataFrame, str]:
     """
     Scrapes Amazon search results for product titles, prices, delivery fees, and links.
     
-    Arguments:
-        search_url (str): The URL of the Amazon search results page.
+    Args:
+        search_url (str): The URL of the Amazon search results page. This should be a valid Amazon search URL containing product listings.
     
     Returns:
-        tuple[pd.DataFrame, str]: A tuple containing a sorted Pandas DataFrame of products and a recommendation string.
+        tuple[pd.DataFrame, str]: A tuple containing:
+            - A Pandas DataFrame with columns: Title, Price, Delivery, Link, sorted by price.
+            - A recommendation string for the best deal.
     """
     headers = {
         "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36"