Update app.py

app.py

@@ -17,6 +17,32 @@ def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
         arg2: the second argument
     """
     return "What magic will you build ?"
+    
+@tool
+def draw_rectangle(width: int, length: int) -> str: #it's import to specify the return type
+    """A tool that draws a hollow rectangle using ASCII characters
+    Args:
+        width: the horizontal width of the rectangle
+        length: the vertical length (height) of the rectangle
+    """
+    if width < 2 or length < 2:
+        return "Error: Width and length must be at least 2."
+
+    # Create the top and bottom borders (e.g., +---+)
+    horizontal_line = "+" + "-" * (width - 2) + "+"
+
+    # Create the middle sections (e.g., |   |)
+    middle_line = "|" + " " * (width - 2) + "|"
+
+    # Build the rectangle
+    rectangle = [horizontal_line]
+    
+    for _ in range(length - 2):
+        rectangle.append(middle_line)
+    
+    rectangle.append(horizontal_line)
+
+    return "\n".join(rectangle)
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: