Boolean
Boolean
๋ถ ๋ง๋ค๊ธฐ : ๋น๊ต ์ฐ์ฐ์
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("๊ฐ๋ฐฉ" == "ํ๋ง") # True
print("๊ฐ๋ฐฉ" != "ํ๋ง") # True
print("๊ฐ๋ฐฉ" < "ํ๋ง") # True
# ์ฌ์ ์์๋ก ๊ฐ๋ฐฉ์ด ํ๋ง๋ณด๋ค ์์ ์์ผ๋ฏ๋ก ์์ ๊ฐ์ ๊ฐ๋๋ค.
print("๊ฐ๋ฐฉ" > "ํ๋ง") # False
๋ถ ์ฐ์ฐํ๊ธฐ : ๋
ผ๋ฆฌ ์ฐ์ฐ์ (and ์ or )
and : a์ b True ์ผ ๋๋ง True ์ด๋ค
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 True๋ผ๋ฉด True์ด๋ค
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 ๋ฆฌ์คํธ
x not in ๋ฆฌ์คํธ
x in ํํ
x not in ํํ
x in ๋ฌธ์์ด
x not in ๋ฌธ์์ด
in์ ๋ป์ธ "~์์"๋ผ๋ ๊ฒ ์ฒ๋ผ ์์ ์๋ ๋ฌธ์ฅ์ธ์ง ํ์ธํ ์ ์๋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
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