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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 _bbox_to_area_polygon(self, bbox):
 """Transforms bounding box into a polygon object in the area CRS. :param bbox: A bounding box :type bbox: BBox :return: A polygon :rtype: shapely.geometry.polygon.Polygon """

        projected_bbox = bbox.transform(self.crs)
        return projected_bbox.geometry