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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 run(self, port=5000, background=False):
 """ Runs this application with builtin server for testing. This is only for test usage, do not use in production stage. :param port: Port number :param background: Flag to run in background :type port: int :type background: bool """

        target = os.path.dirname(os.path.abspath(sys.argv[0]))
        driver = Driver(self, port, target, 1)
        if background:
            driver.run_background()

        else:
            driver.run()