Fix fluid.data code example in sz tool part 1. (#1478)

test=develop
test=document_preview

doc/fluid/api_cn/layers_cn/rank_cn.rst

@@ -19,8 +19,8 @@ rank
 .. code-block:: python
 
        import paddle.fluid as fluid
-       input = fluid.layers.data(
+       input = fluid.data(
             name="input", shape=[3, 100, 100], dtype="float32")
-       rank = fluid.layers.rank(input) # rank=(3,)
+       rank = fluid.layers.rank(input) # rank=(4,)
 
 

doc/fluid/api_cn/layers_cn/rsqrt_cn.rst

@@ -28,6 +28,6 @@ rsqrt
 .. code-block:: python
 
         import paddle.fluid as fluid
-        data = fluid.layers.data(name="input", shape=[32, 784])
+        data = fluid.data(name="input", shape=[32, 784])
         result = fluid.layers.rsqrt(data)
 

doc/fluid/api_cn/layers_cn/zeros_like_cn.rst

@@ -21,6 +21,6 @@ zeros_like
 .. code-block:: python
 
     import paddle.fluid as fluid
-    x = fluid.layers.data(name='x', dtype='float32', shape=[3], append_batch_size=False)
+    x = fluid.data(name='x', dtype='float32', shape=[3])
     data = fluid.layers.zeros_like(x) # [0.0, 0.0, 0.0]