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https://www.youtube.com/watch?v=8eIQNfPbRms
https://edu.goorm.io/learn/lecture/4543/%EA%B5%AC%EB%A6%84ide%EB%A5%BC-%EC%9D%B4%EC%9A%A9%ED%95%98%EC%97%AC-%EC%B4%88%EA%B3%A0%EC%86%8D%EC%9C%BC%EB%A1%9C-%EA%B0%9C%EC%9D%B8-%EC%9B%B9-%EC%82%AC%EC%9D%B4%ED%8A%B8-%EB%A7%8C%EB%93%A4%EA%B8%B0/lesson/199070/1%EA%B0%95-%EA%B5%AC%EB%A6%84ide-%EC%BB%A8%ED%85%8C%EC%9D%B4%EB%84%88-%EC%83%9D%EC%84%B1%ED%95%98%EA%B8%B0