[Docathon][Fix Doc Format No.5、6] Fix example code format in paddle.linalg.lu_solve and paddle.tensor_split (#75527)

* fix doc tensor_split_cn lu_solve_cn,test=document_fix

* fix doc paddle.linalg.lu_solve,test=document_fix

Author: wanglezz

python/paddle/tensor/linalg.py

@@ -3428,19 +3428,21 @@ def lu_solve(
         Tensor, the same data type as the `b` and `lu`.
 
     Examples:
-        >>> import paddle
-        >>> import numpy as np
-
-        >>> A = paddle.to_tensor([[3, 1], [1, 2]], dtype="float64")
-        >>> b = paddle.to_tensor([[9, 8], [9, 8]], dtype="float64")
-        >>> lu, p = paddle.linalg.lu(A)
-        >>> x = paddle.lu_solve(b, lu, p)
-        >>> paddle.allclose(A @ x, b)
-
-        >>> print(x)
-        Tensor(shape=[2, 2], dtype=float64, place=Place(cpu), stop_gradient=True,
-        [[1.80000000, 1.60000000],
-        [3.60000000, 3.20000000]])
+        .. code-block:: python
+
+            >>> import paddle
+            >>> import numpy as np
+
+            >>> A = paddle.to_tensor([[3, 1], [1, 2]], dtype="float64")
+            >>> b = paddle.to_tensor([[9, 8], [9, 8]], dtype="float64")
+            >>> lu, p = paddle.linalg.lu(A)
+            >>> x = paddle.linalg.lu_solve(b, lu, p)
+            >>> paddle.allclose(A @ x, b)
+
+            >>> print(x)
+            Tensor(shape=[2, 2], dtype=float64, place=Place(cpu), stop_gradient=True,
+            [[1.80000000, 1.60000000],
+            [3.60000000, 3.20000000]])
     """
     if b.ndim < 2:
         raise ValueError(

python/paddle/tensor/manipulation.py

@@ -3081,7 +3081,7 @@ def tensor_split(
         .. image:: https://githubraw.cdn.bcebos.com/PaddlePaddle/docs/develop/docs/images/api_legend/tensor_split/tensor_split-5.png
 
         .. code-block:: python
-            :name: tensor-spilt-example-5
+            :name: tensor-split-example-5
 
             >>> import paddle