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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 getShutdownArgs(self):
 """return command line arguments for shutting down the server; this command line is built from the name server startup arguments."""

        shutdownArgs = []
        if self.host:
            shutdownArgs += ['-h', self.host]
        if self.bcport:
            shutdownArgs += ['-p', self.bcport]
        if self.bcaddr:
            shutdownArgs += ['-c', self.bcaddr]
        if self.identification:
            shutdownArgs += ['-i', self.identification]

        return shutdownArgs