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kangxiaoyu
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列表的嵌套
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doc/使用list和tuple.txt

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@@ -49,4 +49,25 @@ classmates.append('Adam')
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>>> classmates
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['Michael', 'Jack', 'Bob', 'Tracy']
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>>> :
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要删除指定位置的元素, 用pop(i)方法, 其中i是索引位置。
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>>> classmates.pop(0)
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'Michael'
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>>> classmates
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['Jack', 'Bob', 'Tracy']
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把列表第一个元素删除掉。
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list里面的元素的数据类型也可以不同,比如。
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L = ['Apple',123,True]
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>>> L = ['Apple',123,True]
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>>> L
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['Apple', 123, True]
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list 元素也可以是另一个list,比如:
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s = ['python','java',['asp','php'],'scheme']
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len(s)
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s = ['pyrhon','java',['asp','php'],'scheme']
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>>> len(s)
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4

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