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Nail this classic Go interview question: what is a goroutine? We cover the go keyword, how goroutines differ from OS threads (stack size, runtime scheduler, multiplexing), and how they communicate safely through channels — everything you need to score full marks. Practice answering this question with AI feedback: https://interviewmentor.app?utm_source=youtube&utm_medium=video&utm_campaign=go&utm_content=beginner