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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 dependency_map(self):
 r""" Create a graph of the dependency graph in a decent format See Also -------- dependency_graph dependency_list """

        dtree = self.dependency_graph()
        fig = nx.draw_spectral(dtree,
                               with_labels=True,
                               arrowsize=50,
                               node_size=2000,
                               edge_color='lightgrey',
                               width=3.0,
                               font_size=32,
                               font_weight='bold')
        return fig