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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 get_status(address=None):
 """ Check if the DbServer is up. :param address: pair (hostname, port) :returns: 'running' or 'not-running' """

    address = address or (config.dbserver.host, DBSERVER_PORT)
    return 'running' if socket_ready(address) else 'not-running'