code: public Tuple slice(int start, int end) {
        Preconditions.checkArgument(start >= 0, "Start index must be >= 0");
        Preconditions.checkArgument(start < end, "Start index must be < end index");
        if (start >= degree()) {
           return Tuple0.INSTANCE;
        }
        return new NTuple(Arrays.copyOfRange(array(), start, Math.min(end, degree())));
     }
docs: Takes a slice of the tuple from an inclusive start to an exclusive end index.
  
  @param start Where to start the slice from (inclusive)
  @param end   Where to end the slice at (exclusive)
  @return A new tuple of degree (end - start) with the elements of this tuple from start to end