code: def setup(self, graph_type):
      self.nodes = list(range(1, 1000))
      self.edges = []
      self.subgraph_nodes = list(range(1, 100))
      self.subgraph_nodes_large = list(range(1, 900))
      self.G = getattr(nx, graph_type)()
  
file_path: networkx/benchmarks/benchmarks/benchmark_classes.py
imports: from itertools import permutations
  import networkx
label_desc: Use image node_id 1 for calling the GraphBenchmark obj's underlying member method code with example usage: obj.setup(graph_type) without return types