Lesson-8
========

.. hint:: "Beware of bugs in the above code; I have only proved it correct, not tried it."

   -- *Donald E. Knuth*


.. hint:: "Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the universe trying to build bigger and better idiots. So far, the universe is winning."

   -- *Rick Cook*


.. toctree::
   :maxdepth: 1

   /topics/virtualenv/virtualenv
   /topics/platform_module/platform_module
   /topics/datetime_module/datetime_module
   /topics/os_module/os_module
   /topics/os_path_module/os_path_module
   /topics/subprocess_module/subprocess_module
   /topics/json_module/json_module
   /topics/errno_module/errno_module
   /topics/profiling_code/profiling_code
   lesson8_exercises