range-function

range(4)
> [0,1,2,3]
 
range(4, 'inclusive')
> [0,1,2,3,4]
 
// lower and upper bounds
range(3, 6)
> [3,4,5]
 
range(3, 6, 'inclusive')
> [3,4,5,6]
 
// step by 3
range(3, 9, 3, 'inclusive')
> [3,6,9]
 
// descending
range(5, 1)
> [5,4,3,2]
 
range(5, 1, 'inclusive')
> [5,4,3,2,1]
 
// descend by a step
range(6, 0, 2, 'inclusive')
> [6,4,2,0]