Python 3.13 release: bye GIL, hi JIT, new REPL!

Web Reference: 96 What does the “at” (@) symbol do in Python? @ symbol is a syntactic sugar python provides to utilize decorator, to paraphrase the question, It's exactly about what does decorator do in Python? Put it simple decorator allow you to modify a given function's definition without touch its innermost (it's closure). In Python this is simply =. To translate this pseudocode into Python you would need to know the data structures being referenced, and a bit more of the algorithm implementation. Some notes about psuedocode: := is the assignment operator or = in Python = is the equality operator or == in Python There are certain styles, and your mileage may vary: Python slicing is a computationally fast way to methodically access parts of your data. In my opinion, to be even an intermediate Python programmer, it's one aspect of the language that it is necessary to be familiar with.

YouTube Excerpt: Ya know, I love this time of year (even if it is a week later than expected)! A brand new Python release is here, and my word, it's a big one. In this video I cover all the biggest news surrounding the release of Python 3.13, so buckle in! Below is a list of chapters cited against any relevant references which you'll find further down. It's absolutely worth doing further reading using these if you want to learn more! 0:00 - Intro [1] 0:25 - Removing the GIL / free threading [2-10] 2:39 - The new JIT compiler [11-16] 4:04 - The new PyREPL [17-19] 4:29 - Improved error messages [1, 18, 20-21] 5:02 - Things no longer coming to 3.13 [22-26] 5:32 - Removal of "dead batteries" [27] 5:59 - iOS and Android as supported platforms [28-30] 6:21 - Changes in the release schedule [31] 6:45 - Cool things! [1, 32-36] 7:38 - Outro [37] [1] https://docs.python.org/3.13/whatsnew/3.13.html [2] https://peps.python.org/pep-0703/ [3] https://wiki.python.org/moin/GlobalInterpreterLock [4] https://realpython.com/python-gil/ [5] https://youtu.be/KVKufdTphKs?si=MAT_NeeC3zBXZ-_S [6] https://youtu.be/jHOtyx3PSJQ?si=eYYiSz6nDahyrHWb [7] https://peps.python.org/pep-0683/ [8] https://py-free-threading.github.io/installing_cpython/#__tabbed_2_3 [9] https://community.anaconda.cloud/t/try-free-threading-the-future-of-parallel-processing-in-python/83855 [10] https://youtu.be/Wy4sI0zFXsU [11] https://www.freecodecamp.org/news/just-in-time-compilation-explained/ [12] https://arxiv.org/abs/2011.13127 [13] https://tonybaloney.github.io/posts/python-gets-a-jit.html [14] https://peps.python.org/pep-0744/ [15] https://youtu.be/AfHa0yW-5MQ?si=azz9qhyb6V_R-H5t [16] https://github.com/python/cpython/issues/115802 [17] https://youtu.be/sI42piigzl0 [18] https://youtu.be/R7uggbpQ0Z0?si=s6ZBMbkDs-2o4hqh [19] https://docs.python.org/3.13/using/cmdline.html#envvar-PYTHON_BASIC_REPL [20] https://youtu.be/Kwm4ccNX6rI [21] https://docs.python.org/3.13/using/cmdline.html#envvar-PYTHON_COLORS [22] https://peps.python.org/pep-0649/ [23] https://peps.python.org/pep-0712/ [24] https://peps.python.org/pep-0726/ [25] https://peps.python.org/pep-0734/ [26] https://discuss.python.org/t/pep-734-multiple-interpreters-in-the-stdlib/41147 [27] https://peps.python.org/pep-0594/ [28] https://peps.python.org/pep-0730/ [29] https://peps.python.org/pep-0738/ [30] https://peps.python.org/pep-0011/#tier-3 [31] https://peps.python.org/pep-0602/ [32] https://docs.python.org/3.13/library/base64.html#base64.z85encode [33] https://docs.python.org/3.13/library/copy.html [34] https://docs.python.org/3.13/library/doctest.html#module-doctest [35] https://docs.python.org/3.13/library/gc.html [36] https://docs.python.org/3.13/library/pdb.html [37] https://www.youtube.com/playlist?list=PLYeOw6sTSy6ZT08XBA_E1NkdW9wtIVT7b — If you want to see more of me, join my Discord server! https://discord.gg/5vVgQpK I get a lot of people asking, so here's my setup! • Visual Studio Code: https://youtu.be/PBQspYkkksU • Terminal: https://youtu.be/4RuGK3w6Mbs • Desk/recording gear: https://kit.co/Carberra • PC build: https://uk.pcpartpicker.com/list/TmzGYN Affiliations (I may earn a commission): • Codecrafters -- 40% off any plan: https://app.codecrafters.io/join?via=parafoxia • Keeper Password Manager -- 30% off your first year: https://keeper.io/r/EX4FB1C — If you have any questions, don't hesitate to ask in the comments! I'll try and answer as soon as I can, providing someone else hasn't already done so. #python #coding #howto

Ya know, I love this time of year (even if it is a week later than expected)! A brand new Python release is here, and my word, it's a big one. In...

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