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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 healthy(self):
 """Return 200 is healthy, else 500. Override is_healthy() to change the health check. """

        try:
            if self.is_healthy():
                return "OK", 200

            else:
                return "FAIL", 500

        except Exception as e:
            self.app.logger.exception(e)
            return str(e), 500