1p3a Experience · Oct 2025

LRU Cache (Python)

Interview Experience

The Problem You are given a Python code for an in-memory LRU (Least Recently Used) cache. The code works, but there is a mistake in how it creates keys. The error happens when the cache tries to ha

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About This Question

This is a candidate experience report from a anthropic interview for a swe role reported in 2025.

It covers the following topics: Hash Table, Distributed Cache, Distributed Systems, System Design, Queue .

Difficulty rating: Easy