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ํ์ด์ฌ | #3 ๋ฐ์ดํฐ ํ์ (๋ฌธ์์ด)์นดํ ๊ณ ๋ฆฌ ์์ 2023. 8. 11. 21:50
๋ฌธ์์ด
์์๋ฐ์ดํ๋ ํฐ๋ฐ์ดํ๋ฅผ ์ฌ์ฉํด์ ๋ฌธ์์ด์ ํํํ ์ ์๋ค.
# "Hello" = 'Hello' print("Hello") print('Hello')
์ฌ๋ฌ ๋ฌธ์์ด ๊ฐ์ ๋ฃ๊ณ ์ถ์ ๋
a = """ ์ฌ๋ฌ๋ฌธ์๋ฅผ ๋ฃ์ด๋ณด์์. ์ฌ๋ฌ๋ฌธ์๋ฅผ ๋ฃ์ด๋ณด์์. ์ฌ๋ฌ๋ฌธ์๋ฅผ ๋ฃ์ด๋ณด์์. """ a = '''์ฌ๋ฌ๋ฌธ์๋ฅผ ๋ฃ์ด๋ณด์์. ์ฌ๋ฌ๋ฌธ์๋ฅผ ๋ฃ์ด๋ณด์์. ์ฌ๋ฌ๋ฌธ์๋ฅผ ๋ฃ์ด๋ณด์์. '''
index ๊ฐ์ผ๋ก ๋ฌธ์ ์ถ๋ ฅํ๊ธฐ
# index ๊ฐ 1๋ฒ ๋ฌธ์ ์ถ๋ ฅํ๊ธฐ a = "Hello world" print(a[1])
๋ฌธ์์ด ์ํํ๊ธฐ
# ๋ฌธ์์ด for ๋ฌธ ๋๋ฆฌ๊ธฐ for x in "hello": print(x)
๋ฌธ์์ด ๊ธ์ ์ ์ถ๋ ฅ : len() ํจ์ ์ฌ์ฉ
a = "Hello, world" print(len(a))
๋ฌธ์์ด ์๋ฅด๊ธฐ
a = "Hello, world" # ๋ณ์์ด๋ฆ[์์ ์ธ๋ฑ์ค:๋์ธ๋ฑ์ค] print(a[1:4]) #์ถ๋ ฅ ell print(a[:4]) #์ถ๋ ฅ Hell print(a[4:]) #์ถ๋ ฅ o, world
๋ฌธ์์ด ์์ ํ๊ธฐ
upper() : immutable(์๋ ๊ฐ์ ๋ณํ์ง ์๋๋ค)
return ๊ฐ : ๋๋ฌธ์ ๋ณํ ๋ฌธ์์ด
# ๋๋ฌธ์ ๋ณํ : ๋ด์ฅ ๋ฉ์๋์ธ upper() ์ฌ์ฉํ๋ค. a = "Hello, world"; print(a.upper()) #HELLO, WORLD print(a) #Hello, world
lower() : immutable
return ๊ฐ : ์๋ฌธ์ ๋ณํ ๋ฌธ์์ด
a = "Hello, world" print(a.lower())
strip() : immutable
return ๊ฐ : ์์๋ถ๋ถ, ๋๋ถ๋ถ ๋์ด์ฐ๊ธฐ ์ ๊ฑฐํ ๋ฌธ์์ด
a = " Hello, World" print(a.strip()) #Hello, World
replace() : immutable
return ๊ฐ : ๋ฐ๋ ๋ฌธ์์ด
a = "Hello, world" #replace(๋ฐ๊พธ๊ณ ์ถ์ ๋ฌธ์, ๋์ ๋ฃ์ ๋ฌธ์) print(a.replace("world", "Jane")) #Hello, Jane
split() : immutable
return ๊ฐ : ๋ฆฌ์คํธ
a = "Hello, world" #split(๋ฌด์์ ๊ธฐ์ค์ผ๋ก ๋๋์ง) print(a.split(",")) #['Hello', 'World']
https://www.w3schools.com/python/python_ref_string.asp
Python String Methods
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