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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 _parse_shape_list(shape_list, crs):
 """ Checks if the given list of shapes is in correct format and parses geometry objects :param shape_list: The parameter `shape_list` from class initialization :type shape_list: list(shapely.geometry.multipolygon.MultiPolygon or shapely.geometry.polygon.Polygon) :raises: ValueError """

        if not isinstance(shape_list, list):
            raise ValueError('Splitter must be initialized with a list of shapes')

        return [AreaSplitter._parse_shape(shape, crs) for shape in shape_list]