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Live Refactor: Function → Production Service

Object-Oriented Programming · Walmart Labs · Medium

Requirements Phase 1: Complete a conventional LeetCode-style exercise from the meeting-scheduling family represented in the round, and make sure the implementation passes the tests. Phase 2: Transform that function into a RESTful service. The interviewer determines the API surface, so be prepared to ask about request and response formats; however, they may refuse to clarify and instruct you to continue with reasonable assumptions. Phase 3: Gradually improve the service so it…

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