编程题
25.
ls是一个列表,内容如下:
ls=[123,"456",789,"123",456,"789"]
请补充如下代码,在789后增加一个元素"012"。
ls=[123,"456",789,"123",456,"789"]
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【正确答案】
ls=[123,"456",789,"123",456,"789"]
ls.insert(3,"012")
【答案解析】
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