Add middle_char tool

app.py

@@ -9,7 +9,7 @@ from Gradio_UI import GradioUI
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
-def my_cutom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
+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 
     Args:
@@ -17,6 +17,18 @@ def my_cutom_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 middle_char(arg1:str)-> str: 
+    """A tool that returns the middle character of a word 
+    Args:
+        arg1: the word
+    """
+    word_len = len(word)
+    if word_len > 0:
+        return word[int(word_len/2)]
+    else:
+        return ""
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
@@ -51,7 +63,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer], ## add your tools here (don't remove final answer)
+    tools=[middle_char,final_answer],
     max_steps=6,
     verbosity_level=1,
     grammar=None,