move tetris to separate file

krother · Jan 21, 2024 · c8a1858 · c8a1858
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diff --git a/functions/function_parameters.rst b/functions/function_parameters.rst
@@ -61,19 +61,3 @@ Here is a small illustration:
    -  keep functions small (below one screen page)
    -  If you have too many parameters, make a new class.
    -  Do not mix mutable types and return output.
-
-Challenge: Refactor existing code into functions
-------------------------------------------------
-
-.. image:: tetris.png
-
-In :download:`tetris.py`, you find a complete Tetris game.
-It makes heavy use of the Numpy library.
-The code almost has no structure.
-
-Create functions with reasonable names to make the code cleaner.
-
-.. note::
-
-   There is also a bug when dropping long bricks to the ground.
-   Maybe the refactoring makes this issue easier to debug.
diff --git a/functions/refactor_tetris.rst b/functions/refactor_tetris.rst
@@ -0,0 +1,15 @@
+Refactor a Tetris game
+======================
+
+.. image:: tetris.png
+
+In :download:`tetris.py`, you find a complete Tetris game.
+It makes heavy use of the Numpy library.
+The code almost has no structure.
+
+Create functions with reasonable names to make the code cleaner.
+
+.. note::
+
+   There is also a bug when dropping long bricks to the ground.
+   Maybe the refactoring makes this issue easier to debug.
diff --git a/index.rst b/index.rst
@@ -123,6 +123,14 @@ Performance Optimization
    performance/profiling.rst
    concurrency/README.rst
 
+Refactoring
+-----------
+
+.. toctree::
+   :maxdepth: 1
+
+   functions/refactor_tetris.rst
+
 Challenges
 ----------