Learn Python 3 vs Complete Intro to React v9

Fourteen lessons covering Hello World, control flow, lists, loops, functions, strings, dictionaries, classes, and file I/O give beginners a comprehensive syntax foundation. The 2021 revamp added Portfolio Projects and reorganised content to mirror a traditional CS curriculum. Reviewers consistently call the material well-sequenced and "comparable to what you'll find in the official documentation or a popular book," though the interactive editor's strict output matching — treating "Hello, world!" and "Hello world!" as different — frustrates learners and doesn't reflect real-world feedback.

There is no single instructor; the curriculum-by-committee model delivers clear written lessons with instant in-browser feedback. The three-panel layout (instructions, editor, output) is praised for keeping learners active rather than passive. The downside is the absence of any spoken explanation of the "why" — several reviewers note they absorbed mechanics without internalising purpose, and the Get-Unstuck video walkthroughs can short-circuit the struggle that builds real retention.

The course requires a Pro subscription (around $34.99/month or roughly $144–$240/year), though a free trial is available. Given that 3.3 million learners have enrolled and it remains Codecademy's most-started course, many find the price reasonable for structured interactive learning. The certificate, practice projects, quizzes, and code challenges are all Pro-gated, which reviewers with beginner budgets find frustrating. A small number note that free Python resources on YouTube or in the official docs cover the same syntax at zero cost.

The course teaches Python in a sandboxed browser environment that cannot accept user input during execution — a fundamental gap from real Python programs. Reviewers describe finishing the course feeling confident but then "losing their footing" when attempting an unguided project, because the sample-code scaffolding and video walkthroughs remove the discomfort that real problem-solving requires. The over-optimised blog reviewer put it precisely: the interactive editor "simplifies/automates aspects that differ from real-world programming environments." Web-development-specific Python (Flask, Django, APIs) is entirely absent from this course and requires separate study.

Codecademy's forums, Discord server organised by topic, in-lesson hint system, cheat sheets, and AI assistant are collectively well-regarded. The Codecademy forum thread where learners reported being 50% through and still confused attracted dozens of supportive peer responses, suggesting an active community. SwitchUp reviewers flag that forum support from staff can be inconsistent, and the overall SwitchUp platform rating sits at 3.15/5, partly dragged by billing and cancellation complaints rather than content support.

v9 covers React 18 and 19 features (form actions, Suspense, the React Compiler) plus a modern Vite + TanStack Router + TanStack Query stack. Praised for currency, with a minority of long-term Frontend Masters subscribers flagging that other courses in the catalog can drift.

Brian Holt is the most consistently praised aspect across nine years of Hacker News mentions. Learners use words like 'excellent', 'great', and 'brilliant'. His pet adoption project framing is repeatedly cited as memorable.

Requires a Frontend Masters subscription (currently $39/month), which is consistently described as worth it if you complete more than one course per month. Less competitive against free alternatives if you only want a single React intro.

The single build-along project (an e-commerce app in v9, evolved from the pet adoption app of earlier versions) is praised for being non-trivial and integrating real ecosystem tools (TanStack Query, Vitest) rather than toy examples.

Holt spends real time on tooling (Vite, ESLint, Prettier, code-splitting, Vitest) and modern ecosystem choices, which is the single most-cited reason people say his courses transferred well to their day jobs.