What is the difference between a stack and a queue in Python?
An example of an AI chatbot conversation about stacks and queues in Python.
What is the difference between a stack and a queue in Python?
A stack is a data structure that follows the Last In First Out (LIFO) principle, while a queue follows the First In First Out (FIFO) principle.
Can you give me an example of how to implement both in Python?
Sure! A stack can be implemented using a list with append() and pop() methods, while a queue can be implemented using collections.deque for efficient FIFO operations.
What are some use cases for stacks and queues?
Stacks are often used in function calls and backtracking algorithms, while queues are used in scheduling tasks and breadth-first search.
How do I choose between using a stack or a queue?
Choose a stack when you need to access the most recent item first, and a queue when you need to process items in the order they were added.
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