Python操作列表之List.insert()方法的使用

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Release: 2016-06-06 11:16:41
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 insert()方法插入对象obj到列表的偏移量索引。
语法

以下是insert()方法的语法:

list.insert(index, obj)

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参数

  • index -- 这是要插入对象obj必要的索引
  • obj -- 这是将被插入到给定的列表中的对象

返回值

此方法不返回任何值,但它插入指定的索引处的指定元素
例子

下面的例子显示了insert()方法的使用

#!/usr/bin/python

aList = [123, 'xyz', 'zara', 'abc']

aList.insert( 3, 2009)

print "Final List : ", aList

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当我们运行上面的程序,它会产生以下结果:

Final List : [123, 'xyz', 'zara', 2009, 'abc']

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