计算列表中字符串的连续重复项 [英] Counting consecutive duplicates of strings from a list

问题描述

我有一个Python字符串列表，

I have a Python list of strings such that,

输入:

li = ['aaa','bbb','aaa','abb','abb','bbb','bbb','bbb','aaa','aaa']

我该怎么做才能生成另一个列表，该列表计算列表中任何字符串的连续重复次数?对于上面的列表，返回列表类似于:

What can I do to generate another list counting the number of consecutive repetitions of any string in the list? For the list above the return list resembles:

预期输出:

li_count = [['aaa',1],['bbb',1]['abb',2],['bbb',3],['aaa',2]]

推荐答案

使用感谢@ user3483203进行改进:

Thank you @user3483203 for improvement:

a = [[i, len([*group])] for i, group in groupby(li)]

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