#!/usr/bin/env python
# ch6-4.py
from openeye.oechem import *

def ShowNeighbors(atom):
    for nbor in atom.GetAtoms():
        print nbor.GetIdx(),
    print

mol = OEGraphMol()
OEParseSmiles(mol, "c1ccccc1")

for atom in mol.GetAtoms():
    print atom.GetIdx(),
    ShowNeighbors(atom)