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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 body_count(self):
 """ How many connected groups of vertices exist in this mesh. Note that this number may differ from result in mesh.split, which is calculated from FACE rather than vertex adjacency. Returns count : int Number of connected vertex groups """

        # labels are (len(vertices), int) OB
        count, labels = graph.csgraph.connected_components(
            self.edges_sparse,
            directed=False,
            return_labels=True)
        self._cache['vertices_component_label'] = labels
        return count