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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 unlink(self):
 """unlinks the shared memory"""

        if os.name == "posix":
            self.__linux_unlink__()
        elif os.name == "nt":
            self.__windows_unlink__()
        else:
            raise HolodeckException("Currently unsupported os: " + os.name)