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  1. # 定义字符串变量
  2. info = "label_data"
  3. # 输出原始字符串
  4. print("原始字符串：")
  5. print(info)
  6. # 转小写并输出
  7. lower_info = info.lower()
  8. print("小写：", lower_info)
  9. # 转大写并输出
  10. upper_info = info.upper()
  11. print("大写：", upper_info)
  12. # 输出长度
  13. print("长度：", len(info))
  14. # 逆序并输出
  15. reverse_info = info[::-1]
  16. print("逆序：", reverse_info)
Success #stdin #stdout 0.1s 14068KB
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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/j7DvO3
language:
Python 3 (python  3.12)
created:
15 hours ago
visibility:
public

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