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Samples elements at random from the datasets in datasets.

datasets A list of objects with compatible structure.
weights (Optional.) A list of len(datasets) floating-point values where weights[i] represents the probability with which an element should be sampled from datasets[i], or a object where each element is such a list. Defaults to a uniform distribution across datasets.
seed (Optional.) A tf.int64 scalar tf.Tensor, representing the random seed that will be used to create the distribution. See tf.compat.v1.set_random_seed for behavior.

A dataset that interleaves elements from datasets at random, according to weights if provided, otherwise with uniform probability.

TypeError If the datasets or weights arguments have the wrong type.
ValueError If the weights argument is specified and does not match the length of the datasets element.