code: def _inner_prod(self, x, y):
      return np.dot(np.ravel(x), np.ravel(y))
  
imports: import numpy
  from autograd.extend import VSpace
  from autograd.builtins import NamedTupleVSpace
label_desc: Use image node_id 8 for calling the ArrayVSpace obj's underlying member method code with example usage: obj._inner_prod(x, y) and returns: np