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[Python] sort()์—์„œ์˜ key lambda ์‚ฌ์šฉํ•˜๊ธฐ
... 2021. 2. 22. 21:34

ํŒŒ์ด์ฌ์˜ sort() ํ•จ์ˆ˜๋Š” ์˜ค๋ฆ„์ฐจ์ˆœ์œผ๋กœ ์ •๋ ฌํ•ด์ฃผ๋Š” ํ•จ์ˆ˜์ž…๋‹ˆ๋‹ค. ๋ฌธ์ž์—ด ๋˜ํ•œ ์˜ค๋ฆ„์ฐจ์ˆœ์œผ๋กœ ์ •๋ ฌ์ด ๋ฉ๋‹ˆ๋‹ค. sort(reverse=True) ๋˜๋Š” reverse()๋ฅผ ์ด์šฉํ•˜์—ฌ ๋‚ด๋ฆผ์ฐจ์ˆœ์œผ๋กœ๋„ ๊ตฌํ˜„์ด ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค. ์ด ๊ธ€์—์„œ๋Š” key ๋งค๊ฐœ๋ณ€์ˆ˜๋ฅผ ๊ฐ€์ง€๋Š” sort()์— ๋Œ€ํ•ด ์•Œ์•„๋ณด๊ฒ ์Šต๋‹ˆ๋‹ค. key ๋งค๊ฐœ๋ณ€์ˆ˜๋ฅผ ๊ฐ€์ง€๋Š” sort() ํ•จ์ˆ˜๋Š” key ๊ฐ’์„ ๊ธฐ์ค€์œผ๋กœ ์ •๋ ฌ๋˜๊ณ  ๊ธฐ๋ณธ๊ฐ’์€ ์˜ค๋ฆ„์ฐจ์ˆœ์ž…๋‹ˆ๋‹ค. ๋˜ํ•œ lambda์‹์„ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋ฐฑ์ค€ 1181๋ฒˆ ๋ฌธ์ œ๋ฅผ ์˜ˆ์‹œ๋กœ ๋“ค์–ด๋ณด๊ฒ ์Šต๋‹ˆ๋‹ค. ์ด ๋ฌธ์ œ ๊ฐ™์€ ๊ฒฝ์šฐ sort(key)๋ฅผ ์ด์šฉํ•˜์—ฌ ์‰ฝ๊ฒŒ ๊ตฌํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. data_list = ['but','i','wont','hesitate','no','more','no','more','it','cannot','wait','im','yo..

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