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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.  
  8. new_msg = msg.replace("WORLD", "Python")
  9. result = new_msg.lower()
  10. print("结果：",result)
Success #stdin #stdout 0.07s 14112KB
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长度： 15
小写字母个数： 5
结果： hello 123 python
https://ideone.com/KS2Hc7
language:
Python 3 (python  3.12)
created:
17 hours ago
visibility:
public

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