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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 create_instance(self, parent):
 """Create an instance based off this placeholder with some parent"""

        self.kwargs['instantiate'] = True
        self.kwargs['parent'] = parent
        instance = self.cls(*self.args, **self.kwargs)
        instance._field_seqno = self._field_seqno
        return instance