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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 SetStorageWriter(self, storage_writer):
 """Sets the storage writer. Args: storage_writer (StorageWriter):
 storage writer. """

    self._storage_writer = storage_writer

    # Reset the last event data information. Each storage file should
    # contain event data for their events.
    self._last_event_data_hash = None
    self._last_event_data_identifier = None