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The Python in Computer Science (083), topic by topic: what the syllabus expects, the PyRun lesson that teaches it, a cheat sheet, and one program written the way a board answer is written — already run on Python 3.12, with its output.
This is a practice companion, not a full course: the theory units (computer systems, society and ethics, networks) are marked as not covered. For the current curriculum, marks and sample papers, use cbseacademic.nic.in.
Unit 2: Computational Thinking and Programming – 1
Unit 1: Computational Thinking and Programming – 2 · Unit 3: Database Management
The online Python compiler runs Python 3.12 inside the browser, on a phone or a school computer, with no account needed to press Run. Text, binary (pickle) and CSV file programs work there too: the files live in memory until you reload. Two limits to know: it cannot read typed input yet (replace input() with a value), and it cannot connect to MySQL. SQL queries can be practised in the SQL playground.