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Expert skills
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Customize and extend Lightning for things like custom hardware or distributed strategies.

.. join_slack::
   :align: left

----

.. raw:: html

    <div class="display-card-container">
        <div class="row">

.. Add callout items below this line

.. displayitem::
   :header: Level 23: Extend the Lightning CLI
   :description: Extend the functionality of the Lightning CLI.
   :col_css: col-md-6
   :button_link: expert_level_23.html
   :height: 150
   :tag: expert

.. displayitem::
   :header: Level 24: Integrate a custom cluster
   :description: Integrate a custom cluster into Lightning.
   :col_css: col-md-6
   :button_link: expert_level_24.html
   :height: 150
   :tag: expert

.. displayitem::
   :header: Level 25: Explore fault-tolerance in-depth
   :description: Understand the details of fault-tolerance.
   :col_css: col-md-6
   :button_link: ../clouds/fault_tolerant_training_faq.html
   :height: 150
   :tag: expert

.. displayitem::
   :header: Level 26: Make your own profiler
   :description: Make your own profiler.
   :col_css: col-md-6
   :button_link: ../tuning/profiler_expert.html
   :height: 150
   :tag: expert

.. displayitem::
   :header: Level 27: Add a new accelerator or Strategy
   :description: Integrate a new accelerator or distributed strategy.
   :col_css: col-md-6
   :button_link: expert_level_27.html
   :height: 150
   :tag: expert

.. raw:: html

        </div>
    </div>
