Update app.py

app.py

@@ -33,6 +33,22 @@ def get_current_time_in_timezone(timezone: str) -> str:
     except Exception as e:
         return f"Error fetching time for timezone '{timezone}': {str(e)}"
 
+@tool
+def evaluate_logarithm(value: float, base: float = math.e) -> str:
+    """A tool that evaluates the value of a logarithm. If no base is provided, e (Euler's number) is used.
+    Args:
+        value: the float which logarithm is to be evaluated.
+        base: logarithm base.    
+    """
+
+    import math
+    try:
+        log_value = math.log(value, base)
+        return f"The logarithm using base {base} of {value} is: {log_value}"
+    except Exception as e:
+        return f"Error evaluating logarithm using base {base} for value {value}: {str(e)}"
+        
+
 
 final_answer = FinalAnswerTool()
 model = HfApiModel(