Producer-consumer with threading: from queue import Queue; from threading import Thread; q = Queue(maxsize=10); def producer(): [q.put(i) for i in range(100)]; def consumer(): [process(q.get()) for _ in range(100)]; t1=Thread(target=producer); t2=Thread(target=consumer); t1.start(); t2.start(); t1.join(); t2.join(). Use Queue for thread-safe buffer. For termination: sentinel value or Event. **Why it matters**: Design choices compound at scale—wrong approach can cause 100× overhead....
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