I have a list with sublist and need to count the sublists that are the same.
Cant figure it out?
Use the List.Count node and change the Levels. Here is information on Lists @ Levels http://dynamobim.org/introducing-listlevel-working-with-lists-made-easier/
Maybe I explained it wrong.
List 1 and 2 has the same value in index 0 to 3 so instead I need 1 list with those indexes.
If I am understanding correctly, you want to get rid of duplicate sublists? List.UniqueItems will give you a list of only the unique sublists in your list. 
Thank you. That was easy
One more question.
How can I count the number of all list that I just combined into unique lists?
Not sure I explained this correct. Does it make sense?
What i want is to count how many of each unique item there is?
Do you mean to count how many sublists there were for each unique sublist?
Exactly!
Hmm well my first thought is to use List.GroupByKey, and since lists as keys are not supported, to use a String.Join to get the keys from the sublists. There might be a better method but off the top of my head this does the trick:
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Thank you. I will try that.