Update app.py

app.py

@@ -23,7 +23,7 @@ def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
 def coin_flip(guess:str)-> str:
     """A tool that plays a coin flip game and tells the user if they won or not based on their guess and result of the coin flip
     Args:
-        guess: the guess from the user if the result of the coin flip will be heads or tails. No other choices are permitted
+        guess: the guess from the user if the result of the coin flip will be 'heads' or 'tails'. No other choices are permitted
     """
     result = random.randint(0, 1)
     
@@ -32,9 +32,9 @@ def coin_flip(guess:str)-> str:
     else:
         result = "Tails"
     if result.lower() == guess.lower():
-        return f"{result}: You Win! Congrats :)"
+        return f"{result}: You Win!"
     else:
-        return f"{result}: You Lost :("
+        return f"{result}: You Lost."
 
 @tool
 def conversation_image(conversation:str, user:str, user_description:str)-> str: