def METHOD_NAME(self, inputs):
    """Shallow Copy the inputs.
    The Variable copied is different from the original once, but the actual data and grad
    are different.
    """
    inps_cp = []
    for inp in inputs:
        i = inp.get_unlinked_variable(need_grad=inp.need_grad)
        inps_cp.append(i)
    return inps_cp