update example code, test=develop

python/paddle/tensor/manipulation.py

@@ -1303,20 +1303,18 @@ def reshape(x, shape, name=None):
             import numpy as np
             import paddle
 
-            data = np.random.random([2, 4, 6]).astype("float32")
-            x = paddle.to_tensor(data)
-
-            positive_four = paddle.fill_constant([1], "int32", 4)
-
-            out_1 = paddle.reshape(x, [-1, 0, 3, 2])
-            # the shape of out_1 is [2,4,3,2].
-
-            out_2 = paddle.reshape(x, shape=[positive_four, 12])
+            x = paddle.rand([2, 4, 6], dtype="float32")
+            positive_four = paddle.full([1], 4, "int32")
+            out = paddle.reshape(x, [-1, 0, 3, 2])
+            print(out)
+            # the shape is [2,4,3,2].
+            out = paddle.reshape(x, shape=[positive_four, 12])
+            print(out)
             # the shape of out_2 is [4, 12].
-
             shape_tensor = paddle.to_tensor(np.array([8, 6]).astype("int32"))
-            out_3 = paddle.reshape(x, shape=shape_tensor)
-            # the shape of out_2 is [8, 6].
+            out = paddle.reshape(x, shape=shape_tensor)
+            print(out)
+            # the shape is [8, 6].
     """
     return paddle.fluid.layers.reshape(x=x, shape=shape, name=name)