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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 _build_mask_ds(mask, mask_offset):
 """Build the mask dataset to indicate which element to skip. Args: mask: `tf.Tensor`, binary mask to apply to all following elements. This mask should have a length 100. mask_offset: `tf.Tensor`, Integer specifying from how much the mask should be shifted for the first element. Returns: mask_ds: `tf.data.Dataset`, a dataset returning False for examples to skip and True for examples to keep. """

  mask_ds = tf.data.Dataset.from_tensor_slices(mask)
  mask_ds = mask_ds.repeat()
  mask_ds = mask_ds.skip(mask_offset)
  return mask_ds