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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 _lift(self, *args, **kwargs):
 """ Lift a basic block of code. Will use the base state as a source of bytes if possible. """

        if 'backup_state' not in kwargs:
            kwargs['backup_state'] = self._base_state
        return self.project.factory.block(*args, **kwargs)