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§ cs 101 · 4 guides

CS 101 — Intro to Programming

Variables, types, control flow, functions, modules, errors — the Python you need before any other course in this curriculum.

Level
4 guides
# Code Name Level Updated
1 —
Comprehensions List, dict, set, and generator comprehensions — when they are clearer than a loop, and when they aren't.
beginner
2 —
List, Dict, Set, Tuple — When to Use Which Costs, semantics, and the right container for each job. The decision you make twenty times a day.
beginner
3 —
Mutability, Identity, References Why `a = b` does not copy, why default arguments bite, and what `is` actually checks.
beginner
4 —
Why Python Owns ML A wiki entry to the Python topic — what makes Python the default ML language and what to learn first.
beginner