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modify doc for in_dygraph_mode #27620

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modify doc for in_dygraph_mode #27620

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21 changes: 9 additions & 12 deletions python/paddle/fluid/framework.py
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Expand Up @@ -180,27 +180,24 @@ def version_cmp(ver_a, ver_b):

def in_dygraph_mode():
"""
:alias_main: paddle.in_dygraph_mode
:alias: paddle.in_dygraph_mode
:old_api: paddle.fluid.framework.in_dygraph_mode

This function checks whether the program runs in dynamic graph mode or not.
You can enter dynamic graph mode with :ref:`api_fluid_dygraph_guard` api,
or enable and disable dynamic graph mode with :ref:`api_fluid_dygraph_enable`
and :ref:`api_fluid_dygraph_disable` api .
Starting with paddle2.0, the dynamic graph mode the default mode.

**Note**:
``paddle.in_dynamic_mode`` is the alias of ``fluid.in_dygraph_mode``, and
``paddle.in_dynamic_mode`` is recommended to use.

Returns:
bool: Whether the program is running in dynamic graph mode.

Examples:
.. code-block:: python

import paddle.fluid as fluid
import paddle

fluid.enable_dygraph() # Now we are in dygragh mode
print(fluid.in_dygraph_mode()) # True
fluid.disable_dygraph()
print(fluid.in_dygraph_mode()) # False
print(paddle.in_dynamic_mode()) # True
paddle.enable_static()
print(paddle.in_dynamic_mode()) # False
"""
return _dygraph_tracer_ is not None

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