code: def get_van_der_waals_radis(mol):
      peroid_table = Chem.GetPeriodicTable()
      radis_list = []
      atoms = mol.GetAtoms()
      for atom in atoms:
          radis_list.append(peroid_table.GetRvdw(atom.GetAtomicNum()))
      return radis_list
  
imports: import numpy
  import rdkit
  from rdkit import Chem
  from rdkit.Chem import AllChem
  import rdkit.Chem.rdPartialCharges
  from ogb.utils.features import allowable_features, atom_to_feature_vector, atom_feature_vector_to_dict, bond_feature_vector_to_dict
  from local_feature import bond_to_feature_vector, get_bond_feature_dims
  from copy import deepcopy
  import hashlib
label_desc: Use image node_id 16 for calling a global function with example usage: get_van_der_waals_radis(mol) and returns: radis_list