String Basic

String Basic

λ¬Έμžμ—΄ λ§Œλ“€κΈ°

print("#ν•˜λ‚˜λ§Œ 좜λ ₯ν•©λ‹ˆλ‹€") # 샾을 μ•ˆμ—μ„œ μ‚¬μš©ν•΄λ„ μ£Όμ„μœΌλ‘œ μ²˜λ¦¬ν•˜μ§€ μ•Šκ³  λ¬Έμžμ—΄λ‘œ μ·¨κΈ‰
print("#μ—¬λŸ¬ 개λ₯Ό","좜λ ₯ν•©λ‹ˆλ‹€")
print('μž‘μ€ λ”°μ˜΄ν‘œλ„ λ§ˆμ°¬κ°€μ§€ μž…λ‹ˆλ‹€')

λ‚΄λΆ€ λ”°μ˜΄ν‘œ

print('"λ‚΄λΆ€μ—μ„œλ„" 좜λ ₯ν•©λ‹ˆλ‹€') #λ‚΄λΆ€μ—μ„œ 큰 λ”°μ˜΄ν‘œλ₯Ό μ‚¬μš©ν•˜κΈ° μœ„ν•΄μ„œλŠ” μž‘μ€ λ”°μ˜΄ν‘œλ₯Ό μ‚¬μš©
print("'λ‚΄λΆ€μ—μ„œλ„' 좜λ ₯ν•©λ‹ˆλ‹€") #λ‚΄λΆ€μ—μ„œ μž‘μ€ λ”°μ˜΄ν‘œλ₯Ό μ‚¬μš©ν•˜κΈ° μœ„ν•΄μ„œλŠ” 큰 λ”°μ˜΄ν‘œλ₯Ό μ‚¬μš©
print("\"μ΄μŠ€μΌ€μ΄ν”„λ‘œ\" 좜λ ₯ν•©λ‹ˆλ‹€")

μ—­μŠ¬λž˜μ‰¬

print("\\") #μ—­μŠ¬λž˜μ‰¬λ₯Ό μ‚¬μš©ν•˜κΈ° μœ„ν•΄μ„œλŠ” λ‘λ²ˆ μ‚¬μš©ν•œλ‹€
  • μ°Έκ³  (μ΄μŠ€μΌ€μ΄ν”„ μ½”λ“œ)

    μ½”λ“œ

    μ„€λͺ…

    \n

    λ¬Έμžμ—΄ μ•ˆμ—μ„œ 쀄을 λ°”κΏ€ λ•Œ μ‚¬μš©

    \t

    λ¬Έμžμ—΄ 사이에 νƒ­ 간격을 쀄 λ•Œ μ‚¬μš©

    \

    문자 λ₯Ό κ·ΈλŒ€λ‘œ ν‘œν˜„ν•  λ•Œ μ‚¬μš©

    \'

    μž‘μ€ λ”°μ˜΄ν‘œ(')λ₯Ό κ·ΈλŒ€λ‘œ ν‘œν˜„ν•  λ•Œ μ‚¬μš©

    \"

    ν°λ”°μ˜΄ν‘œ(")λ₯Ό κ·ΈλŒ€λ‘œ ν‘œν˜„ν•  λ•Œ μ‚¬μš©

μ€„λ°”κΏˆ 없이 λ¬Έμžμ—΄ λ§Œλ“€κΈ°

  • ν°λ”°μ˜΄ν‘œ(")을 μ„Έλ²ˆ μž…λ ₯

    print("""μ•ˆλ…•ν•˜μ„Έμš” 
    μ•ˆλ…•ν•˜μ„Έμš”
    μ•ˆλ…•ν•˜μ„Έμš”
    μ•ˆλ…•ν•˜μ„Έμš”
    """)
  • 쀄을 λ°”κΏ” 좜λ ₯ν•˜μ§€ μ•Šκ² λ‹€κ³  μ„ μ–Έ

    print("""\
    μ•ˆλ…•ν•˜μ„Έμš” 
    μ•ˆλ…•ν•˜μ„Έμš”
    μ•ˆλ…•ν•˜μ„Έμš”
    μ•ˆλ…•ν•˜μ„Έμš”\
    """)

    λ¬Έμžμ—΄ μ—°κ²° μ—°μ‚°μž : +

    print("μ•ˆλ…•"+"ν•˜μ„Έμš”")
    print("μ•ˆλ…•ν•˜μ„Έμš”" + "!")

λ¬Έμžμ—΄ 반볡 μ—°μ‚°μž : *

print("μ•ˆλ…•ν•˜μ„Έμš”" * 3) # ν•œμ€„λ‘œ 3번 좜λ ₯

문자 선택 μ—°μ‚°μž(인덱싱) : []

print("문자 선택 μ—°μ‚°μžμ—λŒ€ν•΄ μ•Œμ•„ λ³ΌκΉŒμš”")
print("μ•ˆλ…•ν•˜μ„Έμš”"[0]) # μ•ˆ
print("μ•ˆλ…•ν•˜μ„Έμš”"[1]) # λ…•
print("μ•ˆλ…•ν•˜μ„Έμš”"[2]) # ν•˜
print("μ•ˆλ…•ν•˜μ„Έμš”"[3]) # μ„Έ
print("μ•ˆλ…•ν•˜μ„Έμš”"[4]) # μš”

print("μ•ˆλ…•ν•˜μ„Έμš”"[-1]) # μš”
print("μ•ˆλ…•ν•˜μ„Έμš”"[-2]) # μ„Έ
print("μ•ˆλ…•ν•˜μ„Έμš”"[-3]) # ν•˜
print("μ•ˆλ…•ν•˜μ„Έμš”"[-4]) # λ…•
print("μ•ˆλ…•ν•˜μ„Έμš”"[-5]) # μ•ˆ

λ¬Έμžμ—΄ 선택 μ—°μ‚°μž(μŠ¬λΌμ΄μ‹±) : [:]

  • [x : y]은 인덱슀 x번째 λΆ€ν„° yκΉŒμ§€ 좜λ ₯

    ```python

    print("μ•ˆλ…•ν•˜μ„Έμš”"[0:4]) # μ•ˆλ…•ν•˜μ„Έ

    print("μ•ˆλ…•ν•˜μ„Έμš”"[1:4]) # λ…•ν•˜μ„Έ

print("μ•ˆλ…•ν•˜μ„Έμš”"[1:]) # λ…•ν•˜μ„Έμš” print("μ•ˆλ…•ν•˜μ„Έμš”"[:3]) # μ•ˆλ…•ν•˜

### λ¬Έμžμ—΄μ˜ 길이 κ΅¬ν•˜κΈ° : len
```python
print(len("μ•ˆλ…•ν•˜μ„Έμš”"))

λ³€μˆ˜μ˜ κ°œλ…μœΌλ‘œ 예λ₯Ό λ“€κΈ°

hello = "μ•ˆλ…•ν•˜μ„Έμš”"
print(hello[0:2]) # μ•ˆλ…•
print(hello) # μ•ˆλ…•ν•˜μ„Έμš”

λ¬Έμžμ—΄μ˜ μš°μ„ μˆœμœ„

  • 사칙연산과 λ™μΌν•˜κ²Œ μš°μ„ μˆœμœ„λ₯Ό λΆ€μ—¬ν•˜μ—¬ 좜λ ₯ν•œλ‹€

    print(("μ•ˆλ…•" + "ν•˜μ„Έμš”") * 3)
    print("μ•ˆλ…•" + "ν•˜μ„Έμš”" * 3)
    print("μ•ˆλ…•" + ("ν•˜μ„Έμš”") * 3)

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