Convert a fully parenthesized prefix expression into infix notation. Insert item between every element of list. Add two points, component-wise. The distance between two points. The 'city block distance' between two points.
Points are collinear.
Return a list of n consecutive integers, by default starting at 0. Return an integer chosen at random from the given interval. Round off the number to specified precision. Don't do anything, and return nil. Ignore the arguments.