parameters: (op, grad)
return_statement: return [grad] * len(op.inputs)
docstring: Copies the gradient to all inputs.
docstring_summary: Copies the gradient to all inputs.
docstring_tokens: Copies the gradient to all inputs .
function: def _AddNGrad(op, grad):
    """Copies the gradient to all inputs."""
    # Not broadcasting.
    return [grad] * len(op.inputs)
function_tokens: def _AddNGrad ( op , grad ) : # Not broadcasting. return [ grad ] * len ( op . inputs )