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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def dataset_splits(self):
 """Splits of data to produce and number of output shards for each."""

    return [{
        "split": problem.DatasetSplit.TRAIN,
        "shards": _TRAIN_SHARDS,
    }, {
        "split": problem.DatasetSplit.EVAL,
        "shards": _DEV_SHARDS,
    }]