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我的代码

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tycoonBrain

#1 Created at ... [Delete] [Delete and Lock User]

L = ['Hello', 'World', 18, 'Apple', None]

print([s.lower() if isinstance(s,str)  else s for s in L ] )

我就是熊老师

#2 Created at ... [Delete] [Delete and Lock User]

我这么写的时候列表生成式只回报了这个

<generator object <genexpr> at 0x000002224230F548>

我就是熊老师

#3 Created at ... [Delete] [Delete and Lock User]

漏打了[]……

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