message: Use codeblock instead of doctest.
diff: @@ -1678,14 +1678,13 @@ def zeros_like(x, dtype=None, name=None):
  Example:
  -
  - >>> from tensorflow.keras import backend as K
  - >>> kvar = K.variable(np.random.random((2,3)))
  - >>> kvar_zeros = K.zeros_like(kvar)
  - >>> K.eval(kvar_zeros)
  + ```python
  + from tensorflow.keras import backend as K
  + kvar = K.variable(np.random.random((2,3)))
  + kvar_zeros = K.zeros_like(kvar)
  + K.eval(kvar_zeros)
  # array([[ 0., 0., 0.], [ 0., 0., 0.]], dtype=float32)
  -
  -
  + ```
  """
  return array_ops.zeros_like(x, dtype=dtype, name=name)
  