Codecademy
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Codecademy teaches programming through interactive lessons where you write code directly in your browser and get instant feedback. The free tier gives you access to a solid collection of lessons across Python, JavaScript, HTML, and other languages. If you want to build full projects or earn a professional certificate, the Pro subscription adds those features at a reasonable monthly cost.
The hands-on approach helps many people learn faster than video lectures alone. Beginners especially benefit from writing code immediately rather than just watching, making it a straightforward path into web development or data science basics.