Adding number to a list at last index

[ahmadkhalaf7892]

hello currently I have this list , my question is how can I add a number to to the last or first index , by that I mean suppose that I want to add 1 to the number 1.4 only so that we can have a new list with values 0,0.7,1.4, 2.4

[Draxl_Andreas]

@ahmadkhalaf7892 ,

you have the nodes:

[ahmadkhalaf7892]

Thanks