【问题标题】:How to find the index list position in the list [closed]如何在列表中找到索引列表位置[关闭]
【发布时间】:2019-07-13 05:12:28
【问题描述】:
pola2 = [['%3C','%28'],['%3C','document.cookie','%3B'],['%3C','%28','%27','4'],['%3C','document.cookie','%3B','4','5'],['%3C','document.cookie','%3B','4','5','6']]
#find the longest list in list
a = max(pola2, key=len)
print a
#result ['%3C', 'document.cookie', '%3B', '4', '5', '6']
#how if end of result is index "4" or position "5"

如何打印print a 的结果,因为它出现在pola2 列表中的索引4 或位置5?

【问题讨论】:

标签: python list indexing


【解决方案1】:

试试下面的代码:

pola2 = [['%3C','%28'],['%3C','document.cookie','%3B'],['%3C','%28','%27','4'],['%3C','document.cookie','%3B','4','5'],['%3C','document.cookie','%3B','4','5','6']]
a = max(pola2, key=len)
print pola2.index(a)

应该可以正常工作。而且问题有点重复,请参阅:Finding the index of an item given a list containing it in Python

【讨论】:

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