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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def validate(self):
 """ validate whether value in config file is correct. """


        spec = self._create_specs()

        # support in future
        functions = {}

        validator = validate.Validator(functions=functions)

        self.config.configspec = spec
        result = self.config.validate(validator, preserve_errors=True)

        if self._parse_result(result):
            return True