| | | | Defining Python Functions With Optional Arguments
Learn about Python optional arguments and how to define functions with default values. You’ll also see how to create functions that accept any number of arguments using *args and **kwargs.
REAL PYTHON course
typing.Protocol Across Python Versions
How to seamlessly support typing.Protocol on Python versions older and newer than 3.8. At the same time.
HYNEK SCHLAWACK
How to Quickly Label Data for Machine Learning
 With Toloka, you can control the accuracy and speed of data labeling to develop high performing ML models. Our platform supports annotation for image classification, semantic segmentation, object detection, named entity recognition, sentiment analysis, speech recognition, text classification →
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A Better Pygame Main Loop
Improving your game’s main loop for smoother gameplay that takes less battery power: “Now your players’ laptops run cool while playing, and the graphics don’t have ugly tearing artifacts any more!”
GLYPH LEFKOWITZ
GitHub Survey on Languages and More Developer Things
JavaScript retains the top spot, Python keeps 2nd place gained in 2019 over Java, which holds in 3rd. Typescript continues 4th after racing up from 2017 from 10th to 4th in 2020. JavaScript + TypeScript seem to put that way ahead in terms of amount of code on GitHub.
GITHUB.COM • Shared by Ian Currie
Python News: What’s New From January 2022?
In January 2022, Black came out of Beta, IPython 8.0 was released, PEP 665 was rejected, and last but not least, a fifteen-year-old bug was fixed. In this article, you’ll get the details on these important happenings in the world of Python.
REAL PYTHON
Python in Visual Studio Code – February 2022 Release
This release includes: smart selection, folding support, improvements to the Python interpreters list, improvements when using Anaconda.
MICROSOFT.COM
CPython 3.11.0a5 Is Available
“We needed to tame some angry buildbots, but after a small fight, we won with just some scratches! Here you have a shiny new alpha release: Python 3.11.0a5.”
CPYTHON DEV BLOG
Discussions
Python Core Dev Says “It’s Now Time to Deprecate the Stdlib urllib Module”
“I propose to deprecate the urllib module in Python 3.11. It would emit a DeprecationWarning which warn users, so users should consider better alternatives like urllib3 or httpx: well known modules, better maintained, more secure, support HTTP/2 (httpx), etc.”
TWITTER.COM/VICTORSTINNER
Python’s IDLE Editor Is Much Better Now
“People used to say all kinds of things about Python’s native IDLE editor, but lately it has become a viable alternative for me to other editors like Notepad++.”
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Articles & Tutorials
Manipulating and Analyzing Audio in Python
Would you like to experiment with analyzing or manipulating audio with Python? This week on the show, we have Braden Riggs from DolbyIO to discuss extracting audio features and Python libraries for reshaping audio. Braden shares techniques from his recent talk at PyData Global, “Unlocking More From Your Audio Data!”
REAL PYTHON podcast
Creating Beautiful Tracebacks with Python’s Exception Hooks
“We all spend a good chunk of our time debugging, sifting through logs, or reading tracebacks. Each of these can be difficult and time-consuming and in this article, we will focus on making the last one—dealing with tracebacks and exceptions—as easy and efficient as possible.”
MARTIN HEINZ • Shared by Martin Heinz
Do You Know if Your Users Toggled Off Notifications
 Clubhouse case study: you’ll remember they were the most downloaded app in APR of 2021. If you recall they spammed users with notifications. Most were irrelevant. Had they had a centralized notification system with a sophisticated preferences module the mass exodus likely could have been avoided →
COURIERsponsor
The Correct Way to Overload Functions In Python
“Function overloading is a common programming pattern which seems to be reserved to statically-typed, compiled languages. Yet there’s an easy way to implement it in Python with help of multimethods or, as it’s called in Python, Multiple Dispatch.”
MARTIN HEINZ
Only Python: Friendly-Traceback: Trying to Stay Ahead of IPython
“I’m writing this blog post in the hope that some people will be encouraged to test friendly/friendly-traceback with IPython/Jupyter and make suggestions as to how it could be even more useful.”
ANDRÉ ROBERGE
Python’s len() Function
Learn how to find the length of built-in data types using len(), use len() with third-party data types, and provide support for len() with user-defined classes.
REAL PYTHON course
Variance of Generic Types in Python
Explaining generics that are—covariant, contravariant or invariant in types, and why it matters while working with type annotations in Python.
REDOWAN DELOWAR • Shared by Redowan Delowar
Join The Big Fix - Fix Vulnerabilities. Earn Swag.
Earn swag (including t-shirts) for fixing vulnerabilities! Plus, join our fix-a-thon livestream on Feb 25.
SNYK.IOsponsor
Working With Static and Media Files in Django
A look at how to work with static and media files in a Django project, locally and in production.
AMAL SHAJI • Shared by Amal Shaji
Natural Language Processing for Icelandic With PyPy: A Case Study
VILHJÁLMUR ÞORSTEINSSON
Different Approaches for Inverting Binary Tree in Python
MISHA BEHERSKY • Shared by Misha Behersky
Projects & Code
Brought to you by Real Python for Teamssponsor
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BeeWare: Write Python, Run Everywhere Using Native UIs
BEEWARE.ORG
sqladmin: SQLAlchemy Admin for Starlette/FastAPI
GITHUB.COM/AMINALAEE • Shared by Amin Alaee
etna: Python Module for Time Series Forecasting
GITHUB.COM/TINKOFF-AI • Shared by Andrey
ChemicalX: Deep Learning Library for Drug Pair Scoring
GITHUB.COM/ASTRAZENECA • Shared by Benedek Rozemberczki
GraphWrap: Add GraphQL Interface to DRF Apps
GITHUB.COM/PAULGILMARTIN • Shared by Paul Gilmartin
strongtyping-pyoverload: A Runtime Method Overload Decorator
PYPI.ORG
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