~pycoders | Issue #678: Namespaces, __init__, Sets, and More (April 22, 2025) (32)

Namespaces in Python In this tutorial, you’ll learn about Python namespaces, the structures that store and organize the symbolic names during the execution of a Python program. You’ll learn when namespaces are created, how they’re implemented, and how they support variable scope. REAL PYTHON

Stop Writing __init__ Methods Glyph recommends using dataclasses in order to avoid the use of __init__. This post shows you how and what additional work you need to do for constructor side effects. GLYPH LEFKOWITZ

AI Agent Code Walkthrough with Python & Temporal Join us on May 2nd at 9am PST/12pm EST for a deep dive into using Temporal’s Agentic AI use cases. We’ll begin with a live demo demonstrating how Temporal lets you recover from unexpected issues before transitioning to a live walkthrough with our Solution Architects → TEMPORAL sponsor

Practical Uses of Sets Sets are unordered collections of values that are great for removing duplicates, quick containment checks, and set operations. TREY HUNNER

Elliptical Python Programming This fun little article shows how certain combinations of punctuation in Python can evaluate to integers, and as a result allow you to create some rather obfuscated code. See also this associated article that breaks down exactly how it all works. SUSAM PAL

How to Exit Loops Early With the Python Break Keyword In this tutorial, you’ll explore various ways to use Python’s break statement to exit a loop early. Through practical examples, such as a student test score analysis tool and a number-guessing game, you’ll see how the break statement can improve the efficiency and effectiveness of your code. REAL PYTHON

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Creating a Python Dice Roll Application In this step-by-step video course, you’ll build a dice-rolling simulator app with a minimal text-based user interface using Python. The app will simulate the rolling of up to six dice. Each individual die will have six sides. REAL PYTHON course

Django Simple Deploy and Other DevOps Things Talk Python interviews Eric Matthes, educator, author, and developer behind Django Simple Deploy. If you’ve ever struggled with taking that final step of getting your Django app onto a live server this tool might be for you. KENNEDY & MATTHES podcast

Mastering DuckDB: Part 2 This is the second part in a post on how to use DuckDB when you’re used to pandas or Polars. It covers how to translate DataFrame operations into not-so-obvious SQL ones. QUANSIGHT.ORG • Shared by Marco Gorelli

Process​Thread​Pool​Executor: When I‍/‍O Becomes CPU-bound Learn how to combine thread and process management into a single executor class. Includes details on when you may be I/O vs CPU bound and what to do about it. LEMON24

14 Advanced Python Features Edward has collected a series of Python tricks and patterns that he has used over the years. They include typing overloads, generics, protocols, and more. EDWARD LI

Python Is an Interpreted Language With a Compiler Ever wonder where about the distinction between compiled and interpreted languages? Python straddles the boundaries, and this article explains just that. NICOLE TIETZ-SOKOLSKAYA

Marimo: Reactive Notebooks for Python Marimo is a new alternative to Jupyter notebooks. Talk Python interviews Akshay Agrawal and they talk all about this latest data science tool KENNEDY, AGRAWAL

Background Tasks in Django Admin With Celery This tutorial looks at how to run background tasks directly from Django admin using Celery. TESTDRIVEN.IO • Shared by Michael Herman