docs: def append(self, network):
          """
          Append a :class:`caspo.core.logicalnetwork.LogicalNetwork` to the list
  
          Parameters
          ----------
          network : :class:`caspo.core.logicalnetwork.LogicalNetwork`
              The network to append
          """
          arr = network.to_array(self.hg.mappings)
          if len(self.__matrix):
              self.__matrix = np.append(self.__matrix, [arr], axis=0)
              self.__networks = np.append(self.__networks, network.networks)
          else:
              self.__matrix = np.array([arr])
              self.__networks = np.array([network.networks])