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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Carol Naslund Willing November 10, 2023 Pragmatic Python Python 3.12 and Beyond PyCon Sweden 2023

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Hi! I'm Carol Naslund Willing.

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Python Core Developer Python Steering Council (three terms) Python Software Foundation Fellow Jupyter Core Developer 2017 ACM Software System Award Papermill Maintainer pyOpenSci Advisory Board Chan Zuckerberg Open Science Board Quansight Labs Board VP of Engineering, Noteable Carol Naslund Willing

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Scaling Notebooks for Teaching and Research: JupyterHub and mybinder.org https://conference.scipy.org/proceedings/scipy2018/pdfs/project_jupyter.pdf Try it yourself https://mybinder.org

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Opening Doors in Education and Learning

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Scientific Research and Collaboration https://www.icos-cp.eu/science-and-impact/ science-contribution/success-stories/jupyter- notebooks

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 https://leportella.com/pycon2016/ Mentoring from PyCon 2016 - Present: Leticia Portella

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 The Q4 2022 Community Service Award was given to Carol Willing for her work as a Python Core Developer and her years of service on the Python Steering Council. The Frank Willison Memorial Award for Contributions to the Python Community is given annually to a person judged to have made an outstanding contribution to the Python community. Community combined with technical creation: a global force multiplier Carol Willing (2019) Carol Willing was honored in recognition of her technical contributions to Jupyter and as a core developer, as well as her community contributions as a member of the PSF Code of Conduct Work Group, a former board member, contributor to many PyCons, and as a member of the Python Steering Council.

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 I am a beginner every day. —Carol Naslund Willing

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Today I am a beginner meteorologist

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Today I am a we are beginner meteorologists

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 We expect to make mistakes

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 We expect to create

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 ECMWF European Centre for Medium-Range Weather Forecasts

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 ECMWF European Centre for Medium-Range Weather Forecasts

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Europe Northwest Europe

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 If you dream it, you can build it. - Walt Disney We find SUCCESS

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 How?

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Pragmatic Process results and consequences

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Pragmatic Process Create a plan Execute the plan Change as needed

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Pragmatic Python

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Pragmatic Process Python Create a plan Language

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Pragmatic Process Python Create a plan Execute the plan Language Ecosystem

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Pragmatic Process Python Create a plan Execute the plan Change as needed Language Ecosystem Community

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Python Create a plan Python Language

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Python Core Development Evolving to meet today's needs and tomorrow's possibilities Performance Reliability Security Flexibility Python

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Release Cadence and Content Release PEPs and Dev Guide https://devguide.python.org/versions/ Reliability Security Python

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Python 3.11 Released: October 24, 2022 Faster CPython 1.25x speedup https://docs.python.org/3/whatsnew/3.11.html#whatsnew311-faster-cpython • Faster Startup • Frozen imports / Static code objects • Faster Runtime • Cheaper, lazy Python frames • Inlined Python function calls • PEP 659: Specializing Adaptive Interpreter Performance Reliability Flexibility Security Python

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Python 3.11 Highlights Performance Reliability Flexibility Security Python

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Python 3.12 Released: October 2, 2023 Performance Reliability Flexibility Security Python

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Python 3.12 Highlights Performance Reliability Flexibility Security Python

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Measuring Performance Are we improving? 54 Performance https://pyperformance.readthedocs.io/ Python https://pypi.org/project/pyperf/2.6.2/ https://pyperf.readthedocs.io/en/latest/

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 What's New in Python Docs, PEPs, and Alphas/Betas https://docs.python.org/3/whatsnew/index.html Reliability Security Python https://peps.python.org Try alphas and betas with ease

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Python 3.13 (Planned) Scheduled: Performance Reliability Flexibility Security Python https://docs.python.org/3.13/whatsnew/3.13.html https://peps.python.org/pep-0719/ Remove 19 "dead batteries"

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 no gil PEP 703 57 Performance Python

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 C API 58 PEP 733: An Evaluation of Python's Public C API PEP 731: C API Working Group Charter Performance Flexibility Python

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Ecosystem Execute the plan Python Ecosystem

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 WebAssembly will open new doors Past, Present, Future PyCon Colombia 2019 PyCon 2023 https://github.com/psf/webassembly Future Attended by Core Developers, Steering Council members, PSF Board members, Interested parties from industry and education. https://snarky.ca/ https://pyscript.net/ https://pyodide.org/ Ecosystem

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Improving mobile == serving users Ecosystem

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 • Rust and Python together (ru ff ) • TypeScript and Python • WASM, WASI, WebAssembly • Excel and Python (Microsoft and Anaconda) • Mobile Python Intersections Keep an eye on development Change

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 pythonspeed.com Itamar Turner-Trauring 63 Vectorization: How slow Python runs fast code | PyData Global 2022 Vectorization: How slow Python runs fast code | PyData Global 2022 Timestamps for video https://pythonspeed.com/datascience/ Faster Data Science: Speed up your data science and scienti fi c computing code Performance Ecosystem

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Python at Scale Memory Pro fi ling and Stack Debugging 64 Reliability https://bloomberg.github.io/memray/index.html Reporters, Jupyter integration, API for customization, Examples https://bloomberg.github.io/pystack/ Performance https://www.bloomberg.com/company/values/tech-at-bloomberg/python/ Bloomberg: 1/2 million fi les, 100 million lines of code, funding PSF Pablo Salgado-Galindo Core Developer, Steering Council Ecosystem

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Developer in Residence Lukasz and Petr 65 Reliability automation, consistency, bus factor Ecosystem https://pyfound.blogspot.com/2023/02/the-case-for-second-developer-in.html https://pyfound.blogspot.com/2023/05/the-python-language-summit-2023_29.html Core Developer Sprint @ Bloomberg

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Releases Process https://peps.python.org/pep-0101/ PEP 101: Doing Python Releases 101 https://github.com/python/release-tools/ Reliability Security Ecosystem https://sethmlarson.dev/security-developer-in-residence-weekly-report-9 Visualizing the CPython Release Process by Seth Larson Security Developer in Residence

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Typing Typing workgroup 67 PEP 729 – Typing governance process https://peps.python.org/pep-0729/ Reliability Ecosystem

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 FastAPI and Pydantic Adoption, Developer Ergonomics, ML friendly 68 Flexibility Ecosystem https://github.com/tiangolo/blog-posts/blob/master/the-future-of-fastapi-and-pydantic-is-bright/README.md

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 • PEPs • What's New and early release candidates • Blog Posts by PSF / Devs in Residence • Core Python podcast (Lukasz and Pablo) • Talk Python to Me Python Core Language Keeping Informed and Inspired Change

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Python Community 70 Change Change as needed

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Change

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...a programming language created by a community fosters happiness in its users around the world. – Guido van Rossum http://neopythonic.blogspot.com/2016/04/kings-day-speech.html Change

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Change

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 community Change

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Change

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 12th PyCon Education Summit Thanks to Naomi Ceder who inspired this event. Education: The Ultimate Force Multiplier

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 77 PyLadies, you are the most-e ff ective grass-roots professional organization in IT. Your positive impact is all around me. I am a huge fan! Luciano Ramalho, a distinguished writer and teacher of Python worldwide Change

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Meet PyLadies, the women-led group helping 120,000 coders across the globe land jobs and diversify the popular Python programming language Insider 2021 Change

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Insider 2021 It's clear that women are underrepresented in open source software overall: Figures reported by GitHub in 2020 show that 90% of all contributors to open source projects identify as male, while only around 3% identify as female. Change Change

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Change

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Insider 2021 To encourage women, we need to show and make role models and mentors accessible to them," said Abigail Dogbe, a fellow at the Python Software Foundation and lead organizer of PyLadies Ghana. Change

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Selena Deckelman Great leaders inspire others to lead Lynn Root Audrey Roy Greenfeld Change

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 PSF Mission Promote, protect, and advance the Python programming language, and to support and facilitate the growth of a diverse and international community of developers. Change

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Change Wonderfully Welcoming

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 We are beginner Pythonistas

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Pragmatic Python We practice

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Pragmatic Python We practice

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Pragmatic Python We practice Create Change Execute

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Pragmatic Python We practice Create Change Execute Language Ecosystem Community

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 We succeed with Python Create Language Execute Ecosystem Change Community

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Thank you Q & A Carol Naslund Willing GitHub: willingc LinkedIn: https://www.linkedin.com/in/carolwilling/

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Pragmatic Python © 2023 by Carol Willing is licensed under CC BY 4.0 Carol Naslund Willing November 10, 2023 Pragmatic Python Python 3.12 and Beyond PyCon Sweden 2023 End of presentation