from typing import Any, Optional
from smolagents.tools import Tool

class FinalAnswerTool(Tool):
    name = "final_answer"
    description = "Provides a final answer to the given problem."
    inputs = {'answer': {'type': 'any', 'description': 'The final answer to the problem'}}
    output_type = "any"

    def forward(self, answer: Any) -> Any:
        return answer

    def new_init(self, *args, **kwargs):
        original_init(self, *args, **kwargs)
        self.validate_arguments()