sysconfig — Provide access to Python’s configuration information

email.message.Message: Representing an email message using the compat32 API

functools — Higher-order functions and operations on callable objects

multiprocessing.shared_memory —  Provides shared memory for direct access across processes

argparse — Parser for command-line options, arguments and sub-commands

What is the most efficient way to concatenate many strings together?

What does the slash(/) in the parameter list of a function mean?

PEP 471 - os.scandir() function – a better and faster directory iterator

PEP 3118: New memoryview implementation and buffer protocol documentation

PEP 476: Enabling certificate verification by default for stdlib http clients

ZERO-CLAUSE BSD LICENSE FOR CODE IN THE PYTHON 3.9.1 DOCUMENTATION

Why must ‘self’ be used explicitly in method definitions and calls?

Why does a_tuple[i] += [‘item’] raise an exception when the addition works?

.. _{{id}}:

{% if hide == false -%}
.. role:: needs_tag
.. role:: needs_status
.. role:: needs_type
.. role:: needs_id
.. role:: needs_title

.. rst-class:: need
.. rst-class:: need_{{type_name}}

.. container:: need

    :needs_type:`{{type_name}}`: :needs_title:`{{title}}` :needs_id:`{{id}}`

        {%- if status and  status|upper != "NONE" and not hide_status %}
        | status: :needs_status:`{{status}}`
        {%- endif -%}
        {%- if tags and not hide_tags %}
        | tags: :needs_tag:`{{tags|join("` :needs_tag:`")}}`
        {%- endif %}
        | links incoming: :need_incoming:`{{id}}`
        | links outgoing: :need_outgoing:`{{id}}`

    {{content|indent(4) }}

{% endif -%}

    .. container:: toggle

        .. container:: header

            :needs_type:`{{type_name}}`: :needs_title:`{{title}}` :needs_id:`{{id}}`

%% box drawing characters used for e.g. RAKE symbol
\usepackage{pmboxdraw}
\ifdefined\DeclareUnicodeCharacter
%% check mark
\DeclareUnicodeCharacter{221A}{{\tiny \raisebox{1ex}[\ht\strutbox][0pt]{$\sqrt{}$}}}
%% ZERO WIDTH SPACE
\DeclareUnicodeCharacter{200B}{}
%% SYMBOL FOR SPACE
\DeclareUnicodeCharacter{2420}{{\tiny\raisebox{1ex}[.5\ht\strutbox][0pt]{S}{P}}}
%% SHOULDERED OPEN BOX
\DeclareUnicodeCharacter{237D}{\textvisiblespace}
\fi

\ DIS I8: 2,7 # G7: 5 + G4: 1,8 + C5: 6 # H3: 4,5 => CTR => H3: 8

\ DIS I8: 2,7 # G7: 5 + G4: 1,8 + C5: 6 + H3: 8 => CTR => G7: 3,9

DIS I8: 2,7 + G7: 3,9 # A8: 3,4,6 + A9: 6,7 # D7: 2,7 => CTR => D7: 4,9

\ DIS I8: 2,7 + G7: 3,9 # A8: 3,4,6 + A9: 6,7 # D7: 2,7 => CTR => D7: 4,9