add os

Signed-off-by: chang-ning <spiderpower02@gmail.com>
crazyguitar · May 19, 2021 · d096f71 · d096f71
1 parent 934a72b
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diff --git a/README.rst b/README.rst
@@ -51,6 +51,7 @@ Cheat Sheet
 - `Typing <docs/notes/python-typing.rst>`_
 - `Time <docs/notes/python-date.rst>`_
 - `File <docs/notes/python-io.rst>`_
+- `Operating System <docs/notes/python-os.rst>`_
 
 
 Advanced Cheat Sheet

diff --git a/docs/index.rst b/docs/index.rst
@@ -58,6 +58,7 @@ only includes basic Python features but also data structures and algorithms.
    notes/python-typing
    notes/python-date
    notes/python-io
+   notes/python-os
 
 
 Advanced Cheat Sheet

diff --git a/docs/notes/python-os.rst b/docs/notes/python-os.rst
@@ -0,0 +1,18 @@
+.. meta::
+    :description lang=en: Collect useful snippets of Python
+    :keywords: Python, Python Cheat Sheet, Operating System
+
+================
+Operating System
+================
+
+.. contents:: Table of Contents
+    :backlinks: none
+
+Get Number of CPUs
+------------------
+
+.. code-block:: python
+
+   >>> import os
+   >>> os.cpu_count()