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When should a Python developer choose collections.deque for Stacks and Queues deliberately?

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Choose collections.deque for Stacks and Queues only to avoid modeling the real data shape or domain contract explicitly.Choose collections.deque for Stacks and Queues whenever you want the code to look more advanced, even if the design gets less clear.Choose collections.deque for Stacks and Queues mainly when you want to postpone validation and fix issues manually later.Use deque for breadth-first search, task buffering, and double-ended workflows where both ends are active.

Answer and explanation

Correct answer

D. Use deque for breadth-first search, task buffering, and double-ended workflows where both ends are active.

Why

Use deque for breadth-first search, task buffering, and double-ended workflows where both ends are active. Interviewers often ask this to see whether you can connect the concept to real design decisions.

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When should a Python developer choose collections.deque for Stacks and Queues deliberately?

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