realpython.com / Page 4

In this quiz, you'll test your understanding of Async Programming in Python: From Generators to asyncio. By working through this quiz, you'll revisit the concepts of synchronous and asynchronous programs, why you might want to write an asynchronous ...

In this quiz, you'll test your understanding of Rock, Paper, Scissors With Python: A Command Line Game. By working through this quiz, you'll revisit how to collect and normalize player input, replay rounds with a while loop, decide a winner with ...

What are the key characteristics of complex systems, and what are practical patterns for tackling complex coding problems? Christopher Trudeau is back on the show this week with another batch of PyCoder's Weekly articles and projects. [ Improve Your ...

In this quiz, you'll test your understanding of Getting Started With Claude Code. By working through this quiz, you'll revisit how Claude Code differs from Claude Chat, how to install and set it up, what belongs in a CLAUDE.md file, and how Git keeps ...

Python 3.15 ships with a brand-new profiling package defined in PEP 799. It finally retires the ancient profile module, gives cProfile a new home under profiling.tracing, and adds profiling.sampling, a statistical sampling profiler code-named Tachyon ...

In this quiz, you'll test your understanding of Python 3.15 Preview: Sampling Profiler. By working through this quiz, you'll revisit how a sampling profiler differs from a tracing one, how to split wall-clock time from CPU time, how to spot which ...

If you're like most Python users, including us, then you probably started your Python journey by learning about print(). It helped you write your very own Hello World one-liner. You can use it to display formatted messages onto the screen and perhaps ...

In this quiz, you'll test your understanding of Python 3.12 Preview: Static Typing Improvements. By working through this quiz, you'll revisit how to declare type variables with the new syntax from PEP 695, how constrained and bounded type variables ...

In this quiz, you'll test your understanding of The Python print() Function: Go Beyond the Basics. By working through this quiz, you'll revisit how string literals and f-strings work, how the sep, end, and flush arguments shape your output, and how ...

An AGENTS.md file gives your AI coding agent the context it needs to write code that fits your project's guidelines. It's a plain Markdown file at your project root where you can pin your Python version, dependency manager, coding conventions, and ...