Christmas Lights Kata By Advent of Code: http://adventofcode.com/2015/day/6 @swkberlin http://swkberlin.de the craftsmanship group in Berlin is part of the German communities at http://softwerkskammer.org Facilitation: @egga_de @ilkezilci https://goo.gl/onQ9ot Probably a Fire Hazard Beca...