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Python: Which statement about collections.deque for Stacks and Queues is the strongest interview answer?

Difficulty:

Easy

Questions:

1

Time Limit:

2 minutes

Passing Score:

100%

Question

Which statement about collections.deque for Stacks and Queues is the strongest interview answer?

  1. collections.deque for Stacks and Queues is mostly a naming style choice and has little effect on runtime behavior or design tradeoffs.
  2. collections.deque provides fast appends and pops from both ends and is the standard queue or deque choice in Python.
  3. collections.deque for Stacks and Queues exists mainly to reduce the number of files in a Python project.
  4. collections.deque for Stacks and Queues matters only for frontend scripting and not for backend or automation code.

Hint

Start with the core rule behind collections.deque for Stacks and Queues.

Answer and rationale

Correct answer: B. collections.deque provides fast appends and pops from both ends and is the standard queue or deque choice in Python.

collections.deque provides fast appends and pops from both ends and is the standard queue or deque choice in Python. This is the base concept interviewers commonly test first.

Track: Python