The Python Standard Library
The official reference for everything that ships with Python. For problem solving, the collections (deque, Counter, defaultdict), heapq, bisect and itertools pages are the ones to know well: they turn many hand-written structures into a single, fast, well-tested line.
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The official reference for everything that ships with Python. For problem solving, the collections (deque, Counter, defaultdict), heapq, bisect and itertools pages are the ones to know well: they turn many hand-written structures into a single, fast, well-tested line.
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