https://github.com/VISUALBoostcampCV/CodingStudy/blob/3f771a2dbd65cef6641076c60b80be5969501eed/%5B211206%5D%20%EB%8B%A8%EC%96%B4%20%EB%B3%80%ED%99%98/YooRiChae.py#L7
