How do queues and stacks work?
An example of an AI chatbot conversation about data structures: queues and stacks.
Can you explain how queues and stacks work?
Sure! 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 each?
Of course! For a stack, think of a stack of plates where you can only add or remove the top plate. For a queue, imagine a line of people waiting for a bus; the first person in line is the first to get on.
What are some real-world applications of queues and stacks?
Stacks are used in function calls and undo mechanisms in software, while queues are used in scheduling tasks and managing requests in servers.
How do I implement a stack in Python?
You can use a list to implement a stack in Python. Use append() to add an item and pop() to remove the top item.
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