Moved a code snippet from profiling_tutorial.rst to the examples directory.

docs/examples/tutorial/profiling_tutorial/profile_2.py

+# profile.py
+
+import pstats, cProfile
+
+import pyximport
+pyximport.install()
+
+import calc_pi
+
+cProfile.runctx("calc_pi.approx_pi()", globals(), locals(), "Profile.prof")
+
+s = pstats.Stats("Profile.prof")
+s.strip_dirs().sort_stats("time").print_stats()

docs/src/tutorial/profiling_tutorial.rst

@@ -194,23 +194,9 @@ meaningful output from the cProfile module. The rest of the code is mostly
 unchanged, I only typed some variables which will likely speed things up a bit.
 
 We also need to modify our profiling script to import the Cython module directly.
-Here is the complete version adding the import of the :ref:`Pyximport<pyximport>` module::
+Here is the complete version adding the import of the :ref:`Pyximport<pyximport>` module:
 
-   #!/usr/bin/env python
-   # encoding: utf-8
-   # filename: profile.py
-
-   import pstats, cProfile
-
-   import pyximport
-   pyximport.install()
-
-   import calc_pi
-
-   cProfile.runctx("calc_pi.approx_pi()", globals(), locals(), "Profile.prof")
-
-   s = pstats.Stats("Profile.prof")
-   s.strip_dirs().sort_stats("time").print_stats()
+.. literalinclude:: ../../examples/tutorial/profiling_tutorial/profile_2.py
 
 We only added two lines, the rest stays completely the same. Alternatively, we could also
 manually compile our code into an extension; we wouldn't need to change the