Programmatically Creating list of lists and sequentially adding data

[foetusmachine]

I've been searching for some previous posts and guidance on programmatically creating a list of lists but haven't found much.

For example, using a For loop. I will be sequentially adding data to the list within such a For loop.

Can anyone point me in the direction of some reading?

Thank you.

[TIMAI2]

Do you mean something like this ?

[foetusmachine]

Thanks @TIMAI2, yes, I think I see. A nested version of button 1 and button 2 for loops is what I think I need. Will try this later when I'm back in front of the machine.

[foetusmachine]

I played with this for a while, but I think I might be barking up the wrong tree.

I think you have given me the correct answer, but I think with the data I have (JSON), I might be better off using dictionaries, which I'm very new to and will have other questions - for another thread.