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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. new_msg = msg.replace("WORLD","Python")
  5. result = new_msg.lower()
  6. print("结果",result)
Success #stdin #stdout 0.07s 14112KB
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stdin 
Standard input is empty
stdout 
结果 hello 123 python
https://ideone.com/rjQxmf
language:
Python 3 (python  3.12)
created:
1 day ago
visibility:
public

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