Boolean

Boolean

๋ถˆ ๋งŒ๋“ค๊ธฐ : ๋น„๊ต ์—ฐ์‚ฐ์ž

print(10 == 100) # False
print(10 != 100) # True
print(10 < 100) # True
print(10 > 100) # False
print(10 <= 100) # True
print(10 >= 100) # False
print("๊ฐ€๋ฐฉ" == "ํ•˜๋งˆ") # True
print("๊ฐ€๋ฐฉ" != "ํ•˜๋งˆ") # True
print("๊ฐ€๋ฐฉ" < "ํ•˜๋งˆ") # True
# ์‚ฌ์ „ ์ˆœ์„œ๋กœ ๊ฐ€๋ฐฉ์ด ํ•˜๋งˆ๋ณด๋‹ค ์•ž์— ์žˆ์œผ๋ฏ€๋กœ ์ž‘์€ ๊ฐ’์„ ๊ฐ–๋Š”๋‹ค.
print("๊ฐ€๋ฐฉ" > "ํ•˜๋งˆ") # False

๋ถˆ ์—ฐ์‚ฐํ•˜๊ธฐ : ๋…ผ๋ฆฌ ์—ฐ์‚ฐ์ž (and ์™€ or )

  • and : a์™€ b True ์ผ ๋•Œ๋งŒ True ์ด๋‹ค

    a

    b

    x

    0

    0

    0

    0

    1

    0

    1

    0

    0

    1

    1

    1

    print(True and True) #True 
    print(True and False) #False
    print(False and True) #False
    print(False and False) #False
  • or : a์™€ b๊ฐ€ ํ•˜๋‚˜๋ผ๋„ True๋ผ๋ฉด True์ด๋‹ค

    a

    b

    x

    0

    0

    0

    0

    1

    1

    1

    0

    1

    1

    1

    1

    print(True or True) #True 
    print(True or False) #True
    print(False or True) #True
    print(False or False) #False

x in s, x not in s

in

not in

x in ๋ฆฌ์ŠคํŠธ

x not in ๋ฆฌ์ŠคํŠธ

x in ํŠœํ”Œ

x not in ํŠœํ”Œ

x in ๋ฌธ์ž์—ด

x not in ๋ฌธ์ž์—ด

  • in์˜ ๋œป์ธ "~์•ˆ์—"๋ผ๋Š” ๊ฒƒ ์ฒ˜๋Ÿผ ์•ˆ์— ์žˆ๋Š” ๋ฌธ์žฅ์ธ์ง€ ํ™•์ธํ•  ์ˆ˜ ์žˆ๋‹ค

>>> 1 in [1, 2, 3]
True
>>> 1 not in [1, 2, 3]
False

>>> 'a' in ('a', 'b', 'c')
True
>>> 'j' not in 'python'
True

Last updated

Was this helpful?