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                [TOC] <br> ### 元組的定義 Python的元組與列表類似,不同之處在于元組的元素不能修改。 ```python atuple=(1,2,3) btuple=(1,) ``` 元組也是通過索引訪問 ```cmd >>> atuple=("Milton","Cherish","Perter") >>> atuple[1]=="Cherish" True ``` ### 元組內置函數 #### count(value):返回元組中value的個數 ```cmd >>> atuple=('a','b','c','b') >>> atuple.count('b') 2 ``` #### index(value, [start, [stop]]):返回value的首位置 ```cmd >>> atuple=('a','b','c','b') >>> atuple.index('b') 1 ``` <hr style="margin-top:100px"> :-: ![](https://box.kancloud.cn/2ff0bc02ec938fef8b6dd7b7f16ee11d_258x258.jpg) ***微信掃一掃,關注“python測試開發圈”,了解更多測試教程!***
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