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๐Ÿ“‚ Programming/Python 4

[Python] PEP8์—์„œ ๊ถŒ์žฅํ•˜๋Š” import ์ˆœ์„œ์™€ isort ์‚ฌ์šฉ๋ฒ•

Python ์ฝ”๋“œ๋ฅผ ์ž‘์„ฑํ•  ๋•Œ ์—ฌ๋Ÿฌ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ฅผ import ํ•˜๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.ํŠนํžˆ ์—ฌ๋Ÿฌ ์‚ฌ๋žŒ์ด ํ•จ๊ป˜ ์ž‘์—…ํ•˜๋Š” ๊ฒฝ์šฐ, ์ผ๊ด€๋œ import ๊ทœ์น™์„ ๋”ฐ๋ฅด๋ฉด ์ฝ”๋“œ์˜ ๊ฐ€๋…์„ฑ๊ณผ ์œ ์ง€๋ณด์ˆ˜์„ฑ์ด ๋†’์•„์ง€๊ณ , ๋ถˆํ•„์š”ํ•œ git ๋ณ€๊ฒฝ ์‚ฌํ•ญ๋„ ์ค„์ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.์ด ๊ธ€์—์„œ๋Š” Python ์Šคํƒ€์ผ ๊ฐ€์ด๋“œ์ธ PEP 8์—์„œ ๊ถŒ์žฅํ•˜๋Š” import ๊ทœ์น™์„ ์‚ดํŽด๋ณด๊ณ , ์ด๋ฅผ ์ž๋™์œผ๋กœ ์ •๋ฆฌํ•ด ์ฃผ๋Š” ๋„๊ตฌ์ธ isort์— ๋Œ€ํ•ด ์•Œ์•„๋ณด๊ฒ ์Šต๋‹ˆ๋‹ค.Python Import ์ˆœ์„œ Best PracticePEP 8์—์„œ๋Š” import ๋ฌธ์„ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ๋ฐฉ์‹์œผ๋กœ ์ •๋ฆฌํ•  ๊ฒƒ์„ ๊ถŒ์žฅํ•ฉ๋‹ˆ๋‹ค.# 1. Standard Library(ํ‘œ์ค€ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ)import osimport sysimport json# 2. Third-party Library(์„œ๋“œํŒŒํ‹ฐ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ)import ..

[Python] datetime ๋ชจ๋“ˆ ์ •๋ฆฌ

import datetime now = datetime.datetime.now() one_day = datetime.timedelta(days=1) one_hour = datetime.timedelta(hours=1) # ํ˜„์žฌ ๋‚ ์งœ์™€ ์‹œ๊ฐ„ ์ถœ๋ ฅ # 2023-04-21 01:21:35.277992 print(f'now : {now}') # ํ˜„์žฌ ์—ฐ๋„์™€ ๋‚ ์งœ๋งŒ ์ถœ๋ ฅ # 2023-04-21 print(f'now.date() : {now.date()}') # ํ˜„์žฌ ์‹œ๊ฐ„๋งŒ ์ถœ๋ ฅ # 01:21:35.277992 print(f'now.time() : {now.time()}') # ํ˜„์žฌ ์—ฐ๋„๋งŒ ์ถœ๋ ฅ # 2023 print(f'now.year : {now.year}&#3..

[Python] collections Counter ์‚ฌ์šฉ๋ฒ•

collections.Counter dict์˜ ์„œ๋ธŒ ํด๋ž˜์Šค๋กœ ์š”์†Œ๊ฐ€ ํ‚ค๊ฐ€ ๋˜๊ณ  ๊ฐœ์ˆ˜๊ฐ€ ๊ฐ’์ด ๋˜์–ด ํŽธ๋ฆฌํ•˜๊ฒŒ ๊ฐœ์ˆ˜๋ฅผ ์…€ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์˜ˆ์ œ 1 import collections S = "aaabbccdd" S_counter = collections.Counter(S) print(S_counter) for a, b in S_counter.items(): print(a, b) ''' ์‹คํ–‰ ๊ฒฐ๊ณผ Counter({'a': 3, 'b': 2, 'c': 2, 'd': 2}) a 3 b 2 c 2 d 2 ''' ์˜ˆ์ œ 2 import collections L = ["zz", "zz", "zz", "aa", "ab", "ab..

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