--- title: What's New in Python 3.15 Quiz – Real Python | daily.dev description: An interactive 12-question quiz tests knowledge of new features coming in Python 3.15, including lazy imports, unpacking in comprehensions, the frozendict... canonical: https://daily.dev/posts/what-s-new-in-python-3-15-quiz-real-python-wikv06v5l twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: What's New in Python 3.15 Quiz – Real Python | daily.dev og:description: An interactive 12-question quiz tests knowledge of new features coming in Python 3.15, including lazy imports, unpacking in comprehensions, the frozendict... og:url: https://daily.dev/posts/what-s-new-in-python-3-15-quiz-real-python-wikv06v5l og:image: https://api.daily.dev/og/posts/WIkV06v5L.png og:image:alt: What's New in Python 3.15 Quiz – Real Python og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # What's New in Python 3.15 Quiz – Real Python **[Real Python](https://daily.dev/sources/rpython)** · 1 min read · 0 upvotes · 0 comments ## Summary An interactive 12-question quiz tests knowledge of new features coming in Python 3.15, including lazy imports, unpacking in comprehensions, the frozendict type, the new sentinel() builtin, friendlier error messages, a new sampling profiler, and UTF-8 becoming the default encoding. No time limit applies and each correct answer earns one point toward a percentage score. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### What new features are coming in Python 3.15? Python 3.15 introduces lazy imports, unpacking support inside comprehensions, a new frozendict type, a sentinel() builtin for creating unique marker objects, friendlier error messages, a new sampling profiler, and UTF-8 as the default text encoding. These changes affect common patterns developers already use, so reviewing them ahead of upgrading helps avoid surprises. _daily.dev keeps developers ahead of language changes before rolling out an upgrade like Python 3.15._ ## Similar posts on daily.dev - [Python 3.15 Preview: Lazy Imports Quiz – Real Python](https://daily.dev/posts/python-3-15-preview-lazy-imports-quiz-real-python-m6hk3ltll) · Real Python · 0 upvotes · 0 comments - [Python 3.15 Preview: frozendict Quiz – Real Python](https://daily.dev/posts/python-3-15-preview-frozendict-quiz-real-python-y3yn5p2wc) · Real Python · 0 upvotes · 0 comments - [Exciting Python features are on the way](https://daily.dev/posts/exciting-python-features-are-on-the-way-u7lhkabec) · InfoWorld · 0 upvotes · 0 comments --- Tags: [#python](https://daily.dev/tags/python) [View this post on daily.dev](https://daily.dev/posts/what-s-new-in-python-3-15-quiz-real-python-wikv06v5l) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"What's New in Python 3.15 Quiz – Real Python","url":"https://daily.dev/posts/what-s-new-in-python-3-15-quiz-real-python-wikv06v5l","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/what-s-new-in-python-3-15-quiz-real-python-wikv06v5l"},"datePublished":"2026-09-29T12:14:05.177Z","dateModified":"2026-10-02T21:14:05.227Z","description":"An interactive 12-question quiz tests knowledge of new features coming in Python 3.15, including lazy imports, unpacking in comprehensions, the frozendict...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/c82a1dc038ea8d6665d0a01f806ce6dc?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/c82a1dc038ea8d6665d0a01f806ce6dc?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Real Python","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Real Python","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/rpython","url":"https://daily.dev/sources/rpython"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/what-s-new-in-python-3-15-quiz-real-python-wikv06v5l","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"python","timeRequired":"PT1M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Real Python","item":"https://daily.dev/sources/rpython"},{"@type":"ListItem","position":3,"name":"What's New in Python 3.15 Quiz – Real Python"}]} {"@context":"https://schema.org","@type":"FAQPage","@id":"https://daily.dev/posts/what-s-new-in-python-3-15-quiz-real-python-wikv06v5l#faq","mainEntity":[{"@type":"Question","name":"What new features are coming in Python 3.15?","acceptedAnswer":{"@type":"Answer","text":"Python 3.15 introduces lazy imports, unpacking support inside comprehensions, a new frozendict type, a sentinel() builtin for creating unique marker objects, friendlier error messages, a new sampling profiler, and UTF-8 as the default text encoding. 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