code: def N(self, v, f_io=0):
      return v.neighbors(f_io)
  
imports: from typing import List
  from .graphBase import GraphBase
  from graphistry.layout.utils import Poset
  import pandas
label_desc: Use image node_id 18 for calling the Graph obj's underlying member method code with example usage: obj.N(v, f_io) and returns: v