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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 _generate_examples(self, data_path):
 """Generate MovingMnist sequences. Args: data_path (str):
 Path to the data file Yields: 20 x 64 x 64 x 1 uint8 numpy arrays """

    with tf.io.gfile.GFile(data_path, "rb") as fp:
      images = np.load(fp)
    images = np.transpose(images, (1, 0, 2, 3))
    images = np.expand_dims(images, axis=-1)
    for sequence in images:
      yield dict(image_sequence=sequence)