keras/src/backend/torch/core.py/slice
def slice(inputs, start_indices, shape):
    shape_dtype = to_torch_dtype("int64")
    inputs = convert_to_tensor(inputs)
    start_indices = convert_to_tensor(start_indices).to(shape_dtype)
    shape = convert_to_tensor(shape).to(shape_dtype)

    python_slice = __builtins__["slice"]
    slices = [
        python_slice(start_index, start_index + length)
        for start_index, length in zip(start_indices, shape)
    ]
    return inputs[slices]