Merge the sub-indices in grasshopper

I have a list starting at index 1 and i want to merge the {i,j} index into just {i} by combing all the sublist into one line as shown in below snip. grasshopper list also attached.
Also I want to bring and attach the first number at the last of the list


List.gh (3.2 KB)

Have you tried text join

nope. just tried, it is working, but how can i bring first number at last

Split the text again, use list item to get the first and insert item to put it at the end

it worked gain. how can I remove ‘,’ if it is at the end of string. like in string at index 2 : 7,6,1, to be updated to just 7,6,1 with no comma at the end

thanks @leopoldomonzani , why I am not getting this E(dot)

If you are referring to the point display it is an option of the Persistent Data Editor plugin.
I attach definition.
comma.gh (9.8 KB)

Thank a lot to both! It is resolved now @leopoldomonzani and @martinsiegrist

You can also use Deconstruct Path, interestingly despite the seperator being a comma instead of a semi-colon. The advantage here is that it will not create <\empty>s after trailing commas.


List vr1.gh (30.9 KB)

Alternatively, you can force the result from Text Split into a integer container and then Clean Tree. The integer container will go red because of the <\empty>, but will convert the empty to a <\null>.