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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 add_data(self, request, pk=None):
 """Add data to Entity and it's collection."""

        # add data to entity
        resp = super().add_data(request, pk)

        # add data to collections in which entity is
        entity = self.get_object()
        for collection in entity.collections.all():
            collection.data.add(*request.data['ids'])

        return resp