well, you take more time because you are not used to it. It is a bit like Linq in C#, at first it looks very foreign but if you use it for a while you start rep

well, you take more time because you are not used to it. It is a bit like Linq in C#, at first it looks very foreign but if you use it for a while you start replacing classical loops with this list based constructs. At the very least, it is a good way to get another perspective.