message: added testable doc strings to tf.zeros
  - clarified args list
diff: @@ -2366,17 +2366,17 @@ def zeros(shape, dtype=dtypes.float32, name=None):
  This operation returns a tensor of type `dtype` with shape `shape` and
  all elements set to zero.
  - For example:
  -
  - ```python
  - tf.zeros([3, 4], tf.int32) # [[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]]
  - ```
  + >>> tf.zeros([3, 4], tf.int32)
  + <tf.Tensor: id=..., shape=(3, 4), dtype=int32, numpy=
  + array([[0, 0, 0, 0],
  + [0, 0, 0, 0],
  + [0, 0, 0, 0]], dtype=int32)>
  Args:
  - shape: A list of integers, a tuple of integers, or a 1-D `Tensor` of type
  - `int32`.
  - dtype: The type of an element in the resulting `Tensor`.
  - name: A name for the operation (optional).
  + shape: A `list` of integers, a `tuple` of integers, or
  + a 1-D `Tensor` of type `int32`.
  + dtype: The DType of an element in the resulting `Tensor`.
  + name: Optional string. A name for the operation.
  Returns:
  A `Tensor` with all elements set to zero.
  