Very nice so far. I noticed a small problem in the tutorial. On step 3 or 4, when the suggested code is if (s1.energy == s1.energy_capacity){ memory[s1.id] =

Very nice so far. I noticed a small problem in the tutorial. On step 3 or 4, when the suggested code is if (s1.energy == s1.energy_capacity){ memory[s1.id] = "charging"; } else if (s1.energy == 0){ memory[s1.id] = "harvesting"; } if (memory[s1.id] == "charging"){ s1.move(base.position); s1.energize(base); } else if (memory[s1.id] == "harvesting"){ s1.move(star_zxq.position); s1.energize(s1); } My spirit had already transferred a bit of energy to the base, so it entered neither of the states. It was a pretty easy fix to make, but strictly following along the instructions, I would have been stuck there.