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What is the difference between concurrency and parallelism in Python?

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01

Understand the problem

Overlap vs simultaneous.

concurrencyparallelism
02

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03

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Concurrency is structuring work to make progress on many tasks by interleaving (threads/asyncio); parallelism is running them literally at the same time (multiprocessing).

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04

Run the code

PYThreads interleave (concurrency) on I/O waits
05

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