Range List with 2 lists

[rlandkroon]

Dear Dynamo Specialists,

I have a question.

How to make this kind of list? (red)

[FabioDeAgostini]

[ [ 1…4 ] , [ 5…8] ]

[rlandkroon]

but wat if the input is different?

Example the input is
First list is 10 and 20
Second list 15 and 25

Range have to be 10…15 and 20…25

[c.poupin]

Hello
try this

[rlandkroon]

Thanks !!