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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 handle_exception(self, exc):
 """ Handle any exception that occurs, by returning an appropriate response, or re-raising the error. """

        if isinstance(exc, (exceptions.NotAuthenticated,
                            exceptions.AuthenticationFailed)):
            # WWW-Authenticate header for 401 responses, else coerce to 403
            auth_header = self.get_authenticate_header(self.request)

            if auth_header:
                exc.auth_header = auth_header
            else:
                exc.status_code = status.HTTP_403_FORBIDDEN

        exception_handler = self.settings.EXCEPTION_HANDLER

        context = self.get_exception_handler_context()
        response = exception_handler(exc, context)

        if response is None:
            raise

        response.exception = True
        return response