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How do I use the deque from the collections module in Python?

An example of an AI chatbot conversation about using deque in Python's collections module.

😀
You

How do I use the deque from the collections module in Python?

MagicBuddy
MagicBuddy

The deque (double-ended queue) allows you to add and remove elements from both ends efficiently. You can import it using from collections import deque.

😀
You

Can you show me some basic operations I can perform with deque?

MagicBuddy
MagicBuddy

Sure! You can append elements using append() and appendleft(), and remove them using pop() and popleft().

😀
You

What are the advantages of using deque over a list?

MagicBuddy
MagicBuddy

Deque is optimized for fast fixed-time appends and pops from both ends, while lists are slower for these operations.

😀
You

Can I use deque as a stack or a queue?

MagicBuddy
MagicBuddy

Yes, you can use deque as both a stack (using append and pop) and a queue (using append and popleft).

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