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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 _get_core_transform(self, resolution):
 """The projection for the stereonet as a matplotlib transform. This is primarily called by LambertAxes._set_lim_and_transforms."""

        return self._base_transform(self._center_longitude,
                                    self._center_latitude,
                                    resolution)