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10
day4/列表.py
10
day4/列表.py
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a = ["b",2,3]
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a.remove("b")#直接删
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del a[0]#删索引值无[]默认整个列表
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a.pop(0)#删索引值(用法同上)
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a.clear()#清空
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a.append(input(""))#添加
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a[0]=''#更改第"0"个
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a.sort()#按顺序整理
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a.reverse()#翻转
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len(a)
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