How to combine separate items into a list like in the example?

Hello, I’ve been trying to turn a few sets of data into a list like the example list shown here:
Screenshot 2021-07-09 134547

Maybe I have the terminology wrong, but I see a tree with three branches. And each branch contains a few hundred items. This is what I want.

Now I have three other lists that I want to combine into such an example, one is like this:
Screenshot 2021-07-09 134603

These are separate curves that I need to combine into something like:
{0;0;0} (N = 119)

And the other two look like this:
Screenshot 2021-07-09 134619

These should be added like this in the list:
{1;0;0} (N = 119)
{2;0;0} (N = 119)

I can’t for the life of me figure out how to call this and how to combine these lists.
Any clues? I figured this would be the kind of question that doesn’t need an example file, but please, if you feel this is necessary, I will create one.

I hope someone has some valuable tips on working with lists. I did check out some useful websites like this one:
https://modelab.gitbooks.io/grasshopper-primer/content/1-foundations/1-4/7_working-with-lists.html
…but couldn’t find a specific example of my question.

Entwine?

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Wow, yes, that was exactly what I was looking for. I tried basically all the components from the Tree menu, except for that one and a few others. Thanks, that absolutely did the job!

Screenshot 2021-07-09 144525

For future reference, you might want to explore the effect of unchecking the “Flatten Inputs” option (right-click to see it). Very useful in certain obscure situations.

entwine_2021Jul9a

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