Combining lists within a nested list, if lists contain the same element?

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Chapters
00:00 Question
01:33 Accepted answer (Score 5)
02:04 Answer 2 (Score 4)
02:53 Answer 3 (Score 2)
03:21 Answer 4 (Score 1)
03:37 Thank you

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Full question
https://stackoverflow.com/questions/5936...

Question links:
[Collect every pair of elements from a list into tuples in Python]: https://stackoverflow.com/questions/4647...
[Create a list of tuples with adjacent list elements if a condition is true]: https://stackoverflow.com/questions/3825...
[How do I concatenate two lists in Python?]: https://stackoverflow.com/questions/1720...
[Concatenating two lists of Strings element wise in Python without Nested for loops]: https://stackoverflow.com/questions/4338...
[Zip two lists together based on matching date in string]: https://stackoverflow.com/questions/4629...
[How to merge lists into a list of tuples?]: https://stackoverflow.com/questions/2407...

Answer 3 links:
[itertools.groupby]: https://docs.python.org/3/library/iterto...

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Tags
#python #python3x #list

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