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  1. msg = "hello 123 WORLD"
  2. #将字符串中的"WORLD"替换为"Python"
  3. new_msg = msg.replace("WORLD","Python")
  4. #将整个字符串转换为小写 
  5. last_msg = new_msg.lower()
  6. print("字符串转换为小写 ：",last_msg)
Success #stdin #stdout 0.07s 14100KB
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字符串转换为小写 ： hello 123 python
https://ideone.com/9M7Y5g
language:
Python 3 (python  3.12)
created:
18 hours ago
visibility:
public

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