#629 – MAY 14, 2024
Flattening a List of Lists in Python
In this video course, you’ll learn how to flatten a list of lists in Python. You’ll use different tools and techniques to accomplish this task. First, you’ll use a loop along with the .extend() method of list. Then you’ll explore other tools, including reduce(), sum(), itertools.chain(), and more.
REAL PYTHON course
What’s New in Python 3.13
Python 3.13 has gone into beta, which means the feature freeze is now in place. This is the official listing of the new features in 3.13. This release includes changes to the REPL, new typing features, experimental support for disabling the GIL, dead battery removal, and more.
PYTHON
[Webinar] Saga Pattern Simplified: Building Sagas with Temporal
Join us on May 30th: we’ll give a brief overview of Sagas, including challenges and benefits. Then we’ll introduce you to Temporal and demonstrate how easy it is to build, test, and run Sagas using our platform and coding in your preferred language. Prior knowledge of Temporal is not required →
TEMPORAL sponsor
Sets as Dictionaries With No Values
A set is a built-in data type that provides fast lookup and insertion with characteristics similar to those of dictionary keys. This article explores the relationship between sets and dictionaries by implementing a set class.
RODRIGO GIRÃO SERRÃO
2023 PSF Annual Impact Report
PYTHON
Python Software Foundation Board Election Dates for 2024
PYTHON SOFTWARE FOUNDATION
Python 3.13.0 Beta 1 Released
CPYTHON DEV BLOG
Articles & Tutorials
A 100x Speedup With Unsafe Python
This is a deep, in the weeds analysis of how different packages can store the same kinds of data in a different order, and how row-based vs column-based storage order can affect NumPy’s speed to process the data. The not often examined “strides” value of a NumPy array specifies how things are stored and this article shows an interesting approach to getting around this value for speed-up.
YOSSI KREININ
The New REPL in Python 3.13
Python 3.13 just hit feature freeze with the first beta release, and it includes a host of improvements to the REPL. Automatic indenting, block-level editing, and more make the built-in REPL more powerful and easier to use.
TREY HUNNER
How to Read and Write Parquet Files With Python
Apache Parquet files are a popular columnar storage format used by data scientists and anyone using the Hadoop ecosystem. By using the pyarrow package, you can read and write Parquet files, this tutorial shows you how.
MIKE DRISCOLL
Generating Fake Django Model Instances With Factory Boy
Writing good tests means having data to test with. The factory-boy library helps you create fake data that you can use with your tests. This article shows you how to use factory-boy with Django ORM models.
AIDAS BENDORAITIS
Python Sequences: A Comprehensive Guide
This tutorial dives into Python sequences, which is one of the main categories of data types. You’ll learn about the properties that make an object a sequence and how to create user-defined sequences.
REAL PYTHON
How LLMs Work, Explained Without Math
You’ve probably come across articles on Large Language Models (LLMs) and may have tried products like ChatGPT. This article explains how these tools work without resorting to advanced math.
MIGUEL GRINBERG
Creating a Calculator With wxPython
wxPython is a GUI toolkit for the Python programming language. This article introduces you to building GUIs by creating a personal calculator.
MIKE DRISCOLL
Asyncio Run Multiple Concurrent Event Loops
Ever wanted to add concurrency to your concurrency? You can run multiple asyncio event loops by using threading. This articles shows you how.
JASON BROWNLEE
How Python asyncio Works: Recreating It From Scratch
This article explains how asyncio works by showing you how to re-create it using generators and the __await__ method.
JACOB PADILLA • Shared by Jacob Padilla
Comments on Understanding Software
Nat responds to a presentation by C J Silverio on how software gets made at small to medium sized organizations.
NAT BENNETT
Projects & Code
A Raspberry Pi Document Scanner
CAELESTIS COSPLAY
horus: An OSINT, Digital Forensics Tool
GITHUB.COM/6ABD
simple-spaced-repetition: Simple Spaced Repetition Scheduler
GITHUB.COM/VLOPEZFERRANDO
Best Python Chart Examples
PYTHON-GRAPH-GALLERY.COM
WireViz: Easily Document Cables and Wiring Harnesses
GITHUB.COM/WIREVIZ
Events
Weekly Real Python Office Hours Q&A (Virtual)
May 15, 2024
REALPYTHON.COM
PyCon US 2024
May 15 to May 24, 2024
PYCON.ORG
PyData Bristol Meetup
May 16, 2024
MEETUP.COM
PyLadies Dublin
May 16, 2024
PYLADIES.COM
Flask Con 2024
May 17 to May 18, 2024
FLASKCON.COM
PyGrunn 2024
May 17 to May 18, 2024
PYGRUNN.ORG
Django Girls Ecuador 2024
May 17, 2024
OPENLAB.EC
Happy Pythoning!
This was PyCoder’s Weekly Issue #629.
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