Update app.py

inlcuded a currency converter

app.py

@@ -52,6 +52,21 @@ def ddg_tool(query:str, area:str, max_results:int=5) -> list:
     
     return results
 
+@tool
+def forex_tool(query:str,amt:float, base_currency:str, conv_currency:str)-> float:
+    """A tool that searches for the current forex rate of 2 currencies
+    and outputs how much your money is worth by multiplying your amount with the
+    other country's rate.
+    Args:
+       query: the foreign exchnage rates between the two currencies(e.g 1 usd to 15 ghs)
+       amt: the amount of money to be converted
+       base_currency:the base currency that has to be converted (e.g usd)
+       conv_currency:the currency to be converted into(e.g ghs)
+    """
+    forex_tool= DDGS()
+    search_result = DDGS().text(query)
+    amount_worth = amt * float(conv_currency)
+    return amount_worth
 
 final_answer = FinalAnswerTool()