Update app.py

app.py

@@ -11,12 +11,22 @@ from Gradio_UI import GradioUI
 @tool
 def my_custom_tool(arg1:str, arg2:int)-> 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 
+    """A tool that checks if the arguments contain integers or numbers and adds those two if they both are candidates for mathematical addition. 
+       Otherwise returns a concatenated string" 
     Args:
         arg1: the first argument
         arg2: the second argument
     """
-    return "What magic will you build ?"
+    def check_int(s):
+    if s[0] in ('-', '+'):
+        return s[1:].isdigit()
+    return s.isdigit()
+    final_var = ""
+    if check_int(arg1) == True and check_int(arg2) == True: 
+       final_var = str(arg1+arg2)
+    else
+       final_var = str(arg1)+str(arg2)
+    return final_var 
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: