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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 _condensation_lil(self):
 """ Return the sparse matrix representation of the condensation digraph in lil format. """

        condensation_lil = sparse.lil_matrix(
            (self.num_strongly_connected_components,
             self.num_strongly_connected_components), dtype=bool
        )

        scc_proj = self.scc_proj
        for node_from, node_to in _csr_matrix_indices(self.csgraph):
            scc_from, scc_to = scc_proj[node_from], scc_proj[node_to]
            if scc_from != scc_to:
                condensation_lil[scc_from, scc_to] = True

        return condensation_lil