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  1. msg = "hello 123 WORLD"
  2. length = len(msg)
  3. lower_count = sum(1 for ch in msg if ch.islower())
  4. print("长度:",length)
  5. print("小写字母个数:",lower_count)
  6.  
  7. new_msg = msg.replace("WORLD","Python")
  8. result = new_msg.lower()
  9. print("结果:",result)
Success #stdin #stdout 0.11s 14120KB
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Standard input is empty
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长度: 15
小写字母个数: 5
结果: hello 123 python
https://ideone.com/CALi2X
language:
Python 3 (python  3.12)
created:
1 day ago
visibility:
public

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