def sequential_intereave(datasets: Sequence[tf.data.Dataset], rates: Sequence[float], sample_seed: Optional[int]) -> tf.data.Dataset:
    'Sample function that simply concatenates two datasets.'
    del rates, sample_seed
    return datasets[0].concatenate(datasets[1])
Sample function that simply concatenates two datasets.
def sequential_intereave(datasets: Sequence[tf.data.Dataset], rates: Sequence[float], sample_seed: Optional[int]) -> tf.data.Dataset:
    
    del rates, sample_seed
    return datasets[0].concatenate(datasets[1])