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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 _describe_list(self) -> List[Tuple[str, float]]: """Return useful information about the graph as a list of tuples."""

        number_nodes = self.number_of_nodes()
        return [
            ('Number of Nodes', number_nodes),
            ('Number of Edges', self.number_of_edges()),
            ('Number of Citations', self.number_of_citations()),
            ('Number of Authors', self.number_of_authors()),
            ('Network Density', '{:.2E}'.format(nx.density(self))),
            ('Number of Components', nx.number_weakly_connected_components(self)),
            ('Number of Warnings', self.number_of_warnings()),
        ]