---
title: "Python 3.15 Preview: Sampling Profiler Quiz – Real Python"
url: https://daily.dev/posts/python-3-15-preview-sampling-profiler-quiz-real-python-eetgfhwut
source_url: https://realpython.com/quizzes/python315-sampling-profiler
type: article
source: "Real Python"
published: 2026-08-26T12:04:12.422Z
updated: 2026-08-26T12:04:29.997Z
tags: ["python", "performance"]
reading_time: 1
upvotes: 1
comments: 0
language: en
---

> ## Documentation Index
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# Python 3.15 Preview: Sampling Profiler Quiz – Real Python

**[Real Python](https://daily.dev/sources/rpython)** · 1 min read · 1 upvotes · 0 comments

## Summary

An interactive 12-question quiz tests understanding of Python 3.15's new sampling profiler, covering the difference between sampling and tracing profilers, splitting wall-clock time from CPU time, identifying GIL-hogging threads, reading flame graphs and line-level heatmaps, and attaching the profiler to an already-running process.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://realpython.com/quizzes/python315-sampling-profiler>

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---

Tags: [#python](https://daily.dev/tags/python), [#performance](https://daily.dev/tags/performance)

[View this post on daily.dev](https://daily.dev/posts/python-3-15-preview-sampling-profiler-quiz-real-python-eetgfhwut)