code: def copy_atom(atom):
      new_atom = Chem.Atom(atom.GetSymbol())
      new_atom.SetFormalCharge(atom.GetFormalCharge())
      new_atom.SetAtomMapNum(atom.GetAtomMapNum())
      return new_atom
  
imports: import rdkit
  import rdkit.Chem
  from scipy.sparse import csr_matrix
  from scipy.sparse.csgraph import minimum_spanning_tree
  from collections import defaultdict
  from rdkit.Chem.EnumerateStereoisomers import EnumerateStereoisomers, StereoEnumerationOptions
  from .vocab import Vocab
label_desc: Use image node_id 6 for calling a global function with example usage: copy_atom(atom) and returns: new_atom