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May 24, 2026 · 1 min read

Can you explain how you would implement a least recently used (LRU) cache in Python? What data structures would you use and why?

To implement an LRU cache in Python, I would use a combination of a dictionary and a doubly linked list. The dictionary provides O(1) access to cache items, while the…

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📅 May 24, 2026 ⏱ 1 min read

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Can you explain how you would implement a least recently used (LRU) cache in Python? What data structures would you use and why?

COVER // CAN YOU EXPLAIN HOW YOU WOULD IMPLEMENT A LEAST RECENTLY USED (LRU) CACHE IN PYTHON? WHAT DATA STRUCTURES WOULD YOU USE AND WHY?

To implement an LRU cache in Python, I would use a combination of a dictionary and a doubly linked list. The dictionary provides O(1) access to cache items, while the doubly linked list maintains the order of usage, allowing quick updates when items are accessed or evicted.

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