parameters: (self, which)
return_statement: return self.GetDataTuple(which)
docstring: allows forest[i] to work.  return the data tuple
docstring_summary: allows forest[i] to work.  return the data tuple
docstring_tokens: allows forest [ i ] to work . return the data tuple
function: def __getitem__(self, which):
      """ allows forest[i] to work.  return the data tuple
  
      """
      return self.GetDataTuple(which)
function_tokens: def __getitem__ ( self , which ) : return self . GetDataTuple ( which )