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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 add_error_handlers(app):
 """Add custom error handlers for PyMacaronCoreExceptions to the app"""


    def handle_validation_error(error):
        response = jsonify({'message': str(error)})
        response.status_code = error.status_code
        return response

    app.errorhandler(ValidationError)(handle_validation_error)