227p lambda 질문 #144

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heeeeeseok opened this issue Jan 25, 2022 · 1 comment

heeeeeseok commented Jan 25, 2022

227p에서 functools.reduce(lambda x, y: x*10 + y, a, 0) 부분에서 매개변수 0이 추가되는 이유는 무엇인가요? 0을 빼고 실행해도 결과는 똑같이 나와서 질문합니다. ㅠ

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likejazz commented Feb 2, 2022

0은 초깃값이며 생략 가능합니다. 책에서는 좀 더 명확히 하기 위해 사용하였습니다.

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