Update app.py

app.py

@@ -3,20 +3,40 @@ import datetime
 import requests
 import pytz
 import yaml
+import requests
 from tools.final_answer import FinalAnswerTool
 
 from Gradio_UI import GradioUI
 
+API_KEY = "bf727f5fb71ae77125fca1bf22199e5f"
+
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
-def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
+def convert_currency(from_currency:str, amount:float, to_currency:str)-> 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 does nothing yet 
+    """Converts the value of a currency to another using ExchangeRate-API
     Args:
-        arg1: the first argument
-        arg2: the second argument
+        from_currency: the coin of origin
+        amount: origin value
+        to_currency: target coin
     """
-    return "What magic will you build ?"
+    try:
+        url=f"https://v6.exchangerate-api.com/v6/{API_KEY}/latest/{from_currency}"
+        response = requests.get(url)
+        data = response.json()
+
+        if response.status_code==200:
+            exchange_rate = data['conversion_rates'].get(to_currency)
+
+            if exchange_rate:
+                converted_amount = amount * exchange_rate
+                return f"{amount} {from_currency} is {converted_amount:.2f} {to_currency}"
+            else:
+                return f"Erro: target coin {to_currency} not found"
+        else:
+            return f"Erro ao obter taxas de câmbio: {data.get('error-type', 'Desconhecido')}"
+    except Exception as e:
+        return f"Erro ao fazer a conversão: {str(e)}"
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: