2024-09-29 22:22:12 发布
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例如a = [['Avc'],['acac','ccaaa'],['Vaa','Qaavv']]
a = [['Avc'],['acac','ccaaa'],['Vaa','Qaavv']]
使用a,用一句话写出b = ['A','ac','VQ']
b = ['A','ac','VQ']
我试过了b = [''+j[0] for i in a for j in i]
b = [''+j[0] for i in a for j in i]
但结果是['A','a','c','V','Q']
['A','a','c','V','Q']
试试这个:
b = ["".join(s[0] for s in e) for e in a]
这将产生:
['A', 'ac', 'VQ']
对于b
b
试试这个:
这将产生:
对于
b
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