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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 preprocess( self, nb: "NotebookNode", resources: dict ) -> Tuple["NotebookNode", dict]: """Remove any raw cells from the Notebook. By default, exclude raw cells from the output. Change this by including global_content_filter->include_raw = True in the resources dictionary. This preprocessor is necessary because the NotebookExporter doesn't include the exclude_raw config."""

        if not resources.get("global_content_filter", {}).get("include_raw", False):
            keep_cells = []
            for cell in nb.cells:
                if cell.cell_type != "raw":
                    keep_cells.append(cell)

            nb.cells = keep_cells

        return nb, resources