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Daily Work

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无愠无殇

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

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

M = [ i.lower() for i in L if isinstance(i,str)]

print(M)

木耳朵深爱着木馒头

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

[s.lower() if isinstance(s,str) else s for s in L] 看下边的才发现没说让把非字符删掉

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