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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 destroy(self, blocking=False):
 """ Destroy all data and metadata related to this broadcast variable. Use this with caution; once a broadcast variable has been destroyed, it cannot be used again. .. versionchanged:: 3.0.0 Added optional argument `blocking` to specify whether to block until all blocks are deleted. """

        if self._jbroadcast is None:
            raise Exception("Broadcast can only be destroyed in driver")
        self._jbroadcast.destroy(blocking)
        os.unlink(self._path)