code: def del_big_nodes(self, grater_than=215):
          
          G = self._graph
          it = G.nodes_iter()
          node_paths = []
          node_names = []
          del_nodes = []
          summe = 1
          count = 1
          for node in it:
              l = len(G[node])
              if l > grater_than:
                  del_nodes.append(node)
                  continue
              summe += l
              node_names.append(node)
              node_paths.append(l)
              count += 1
          for node in del_nodes:
              G.remove_node(node)
              if node > 1000000000:
                  self.valid_user.pop(node)
  
          print("Nodes deleted: {}".format(len(del_nodes)))
docs: Delete big nodes with many connections from the graph.