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Python Core

Python language fundamentals and standard library

16 atomsSpaced repetitionLearn at your own pace

What you'll learn

Python Syntax & f-strings

Exceptions & Error Handling

Decorators

Comprehensions

Generators

Type Hints

Lists — modify-while-iterating, shallow copy, sort vs sorted

Dicts — .get(), .setdefault(), safe iteration, merging

Functions — *args/**kwargs, keyword-only args, call-site unpacking

Closures — variable capture, loop lambda gotcha, nonlocal, UnboundLocalError

Lambdas — key= in sorted, map/filter, when not to use

OOP Advanced — dunders, classmethod, staticmethod, dataclasses, MRO

Context Managers — __enter__/__exit__, contextlib, suppress

functools — lru_cache, partial, reduce, wraps

async / await — coroutines, asyncio, gather, async context managers

Concurrency Patterns — semaphores, to_thread, asyncio vs threading vs multiprocessing