code: def standard_basis(self):
      for idxs in np.ndindex(*self.shape):
          vect = np.zeros(self.shape, dtype=self.dtype)
          vect[idxs] = 1
          yield vect
  
imports: import numpy
  from autograd.extend import VSpace
  from autograd.builtins import NamedTupleVSpace
label_desc: Use image node_id 6 for calling the ArrayVSpace obj's underlying member method code with example usage: obj.standard_basis() without return types