import string

class ToolBuilder:
    def generate_tool(self, description: str) -> str:
        """Outputs standard Python code for a new dummy tool based on the description."""
        sanitized_name = "".join(c if c.isalnum() else "_" for c in description).strip("_").lower()
        if not sanitized_name:
            sanitized_name = "dummy"
            
        code = f"""def {sanitized_name}_tool(*args, **kwargs):
    \"\"\"Generated tool for: {description}\"\"\"
    return "Executed: {description}"
"""
        return code
