Update app.py

app.py

@@ -11,9 +11,16 @@ from Gradio_UI import GradioUI
 @tool
 def convert_currency(amount: float, from_currency: str, to_currency: str) -> str:
     """
-    Convert amount from one currency to another using fixed exchange rates.
+    Convert an amount from one currency to another using fixed exchange rates.
+
+    Args:
+        amount (float): The amount of money to convert.
+        from_currency (str): The three-letter currency code to convert from (e.g., "USD").
+        to_currency (str): The three-letter currency code to convert to (e.g., "EUR").
+
+    Returns:
+        str: A string describing the converted amount.
     """
-    # Mock exchange rates relative to USD
     exchange_rates = {
         "USD": 1.0,
         "EUR": 0.91,
@@ -21,9 +28,21 @@ def convert_currency(amount: float, from_currency: str, to_currency: str) -> str
         "JPY": 134.23,
         "INR": 83.12,
         "CNY": 7.25,
-        "AED": 3.64
+        "AED": 3.67
     }
 
+    from_currency = from_currency.upper()
+    to_currency = to_currency.upper()
+
+    if from_currency not in exchange_rates or to_currency not in exchange_rates:
+        return f"Unsupported currency. Supported currencies: {', '.join(exchange_rates.keys())}"
+
+    amount_in_usd = amount / exchange_rates[from_currency]
+    converted_amount = amount_in_usd * exchange_rates[to_currency]
+
+    return f"{amount:.2f} {from_currency} = {converted_amount:.2f} {to_currency}"
+
+
     from_currency = from_currency.upper()
     to_currency = to_currency.upper()