python中列表分片

2021-03-10 08:29

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>>> test1 = ["aa","bb","cc","dd","ee","ff"]
>>> type(test1)
class list>
>>> len(test1)
6
>>> test1[0:3]   ##  不包含索引为3的元素
[aa, bb, cc]
>>> test1[2:4]   ## 不包含索引为4的元素
[cc, dd]>>> test1[:4]
[aa, bb, cc, dd]
>>> test1[2:]
[cc, dd, ee, ff]
>>> test1[:]  ## 完整列表
[aa, bb, cc, dd, ee, ff]
>>> test1[-3:]   ## 取后三个元素
[dd, ee, ff]

 

python中列表分片

标签:type   col   16px   pre   nbsp   span   元素   rgb   pytho   

原文地址:https://www.cnblogs.com/liujiaxin2018/p/14157017.html


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