修改COPY-FROM No.18

python/paddle/fluid/framework.py

@@ -1259,7 +1259,7 @@ class Variable(metaclass=VariableMetaClass):
     Examples:
         In Static Graph Mode:
 
-        .. code-block:: python
+        .. code-block:: python :name: code-example1
 
             import paddle.fluid as fluid
             cur_program = fluid.Program()
@@ -1270,7 +1270,7 @@ class Variable(metaclass=VariableMetaClass):
 
         In Dygraph  Mode:
 
-        .. code-block:: python
+        .. code-block:: python :name: code-example2
 
             import paddle.fluid as fluid
             import numpy as np
@@ -5744,7 +5744,7 @@ def clone(self, for_test=False):
           recommend you to use :code:`clone` before using :code:`Opimizer.minimize`.
 
         For Example:
-          ::
+          .. code-block:: python :name: code-example1
 
             import paddle
             import paddle.static as static
@@ -5777,7 +5777,7 @@ def clone(self, for_test=False):
                 print Program Descs inorder to make sure you have same print result
                 after :code:`clone`:
 
-            .. code-block:: python
+            .. code-block:: python :name: code-example2
 
                 import paddle
 
@@ -5794,7 +5794,7 @@ def print_prog(prog):
 
 
             1. To clone a test program, the sample code is:
-                .. code-block:: python
+                .. code-block:: python :name: code-example3
 
                     import paddle
                     import paddle.static as static
@@ -5846,7 +5846,7 @@ def print_prog(prog):
 
 
             2. The clone method can be avoid if you create program for training and program for testing individually.
-                .. code-block:: python
+                .. code-block:: python :name: code-example4
 
                     import paddle
                     import paddle.static as static
@@ -7233,7 +7233,7 @@ def program_guard(main_program, startup_program=None):
             Default: None.
 
     Examples:
-       .. code-block:: python
+       .. code-block:: python :name: code-example1
 
           import paddle
 
@@ -7248,7 +7248,7 @@ def program_guard(main_program, startup_program=None):
     to construct either of startup program or main program.
 
     Examples:
-       .. code-block:: python
+       .. code-block:: python :name: code-example2
 
           import paddle
 

python/paddle/fluid/layers/math_op_patch.py

@@ -182,7 +182,7 @@ def astype(self, dtype):
         Examples:
             In Static Graph Mode:
 
-            .. code-block:: python
+            .. code-block:: python:name :code-example5
                 import paddle
                 import paddle.fluid as fluid
                 paddle.enable_static()

python/paddle/static/nn/control_flow.py

@@ -898,7 +898,7 @@ def cond(pred, true_fn=None, false_fn=None, name=None, return_names=None):
         regardless of which branch is selected at runtime. This has frequently
         surprised users who expected a lazy semantics. For example:
 
-        .. code-block:: python
+        .. code-block:: python :name: code-example1
 
             import paddle