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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 _verify_file_size(self):
 """ Verifies that the file is smaller then 5TB which is the maximum that is allowed for upload. """

        if self._file_size > PartSize.MAXIMUM_OBJECT_SIZE:
            self._status = TransferState.FAILED
            raise SbgError('File size = {}b. Maximum file size is {}b'.format(
                self._file_size, PartSize.MAXIMUM_OBJECT_SIZE)
            )