ํ‹ฐ์Šคํ† ๋ฆฌ ๋ทฐ

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๋ฐ˜์‘ํ˜•

all, any

# ์ ์ ˆํ•œ ์˜ˆ์‹œ๋Š” ์•„๋‹ˆ์ง€๋งŒ, any์˜ ๊ฒฝ์šฐ iterable ์ค‘ ํ•˜๋‚˜๋ผ๋„ ๋งŒ์กฑํ•˜์ง€ ์•Š๋Š” ๊ฒฝ์šฐ 
# all์˜ ๊ฒฝ์šฐ iterable์—์„œ ๋ชจ๋“  ๊ฒฝ์šฐ๊ฐ€ ๋งŒ์กฑํ•˜๋Š” ๊ฒฝ์šฐ๋ฅผ ์ฐพ์„ ์ˆ˜ ์žˆ๋‹ค. 
if any(10 > x for x in list): 
	return False 
else all(10 > x for x in list): 
	return True 

ํ–‰๋ ฌ ๋Œ€๊ฐ์„  ์ธ๋ฑ์Šค

def diagonal(matrix): 
	# โ†˜ 
    left_right = [matrix[i][j] for i in range(len(matrix))] 
	# โ†™ 
    right_left = [matrix[i][len(matrix) - i - 1] for i in range(len(matrix))] 

ํ–‰๋ ฌ ์ „ํ™˜

  # ์ „์ฒด๋Š” list ํƒ€์ž„์ด์ง€๋งŒ, ํ•˜๋‚˜์˜ ํ–‰์„ ์„ ํƒํ•˜๋ฉด tuple์ด๋‹ค. 
  list(zip(*matrix)) 
  # ๋ชจ๋“  ์›์†Œ๋ฅผ list๋กœ ๋ณ€๊ฒฝํ•˜๋ ค๋ฉด map์„ ์ด์šฉํ•ด์ฃผ์–ด์•ผ ํ•œ๋‹ค. 
  map(list, zip(*x)) 

์ˆซ์ž ๋’ค์ง‘๊ธฐ

  def reverse_num(num): 
   return int(str(num)[::-1]) 

์—๋ผํ† ์Šคํ…Œ๋„ค์Šค ์ฒด

def is_prime(num): 
	if num < 2: 
    	return False 
	for i in range(2, int(num ** 0.5) + 1): 
		if num % i == 0: 
			return False 
	return True 

์ด์ง„ํƒ์ƒ‰

def binary_search(data, target): 
	s, e = 0, N - 1 
    while s <= e: 
    	mid = (s + e) // 2 
        if data[mid] == target: 
        	break 
        elif data[mid] < target: 
            s = mid + 1 
        else: 
            e = mid - 1 
	# ์–ผ๋งˆ๋งŒ์— ์ฐพ์•˜๋Š”๊ฐ€๋ฅผ ๋ฐ˜ํ™˜ํ•˜๊ณ ์ž ํ• ๋•Œ 
    return mid + 1 
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