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  1. info = "label_data"
  2. print("原始字符串：")
  3. print(  info  )
  4. lower_info = info.lower()
  5. print("小写：",   lower_info )
  6. upper_info = info.upper()
  7. print("大写：",   upper_info )
  8. print("长度：",   len   (info))
  9. reverse_info = info  [::-1]   
  10. print("逆序：",   reverse_info )
Success #stdin #stdout 0.08s 14088KB
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Standard input is empty
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原始字符串：
label_data
小写： label_data
大写： LABEL_DATA
长度： 10
逆序： atad_lebal
https://ideone.com/Dyyjoa
language:
Python 3 (python  3.12)
created:
18 hours ago
visibility:
public

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