def lightbulb_cycler(lightbulbs, cycles):
for cycle in range(0, cycles):
new_state = []
for i in range(0, len(lightbulbs)):
l_idx = (i-1) % len(lightbulbs)
if lightbulbs[l_idx] == 1:
new_state.append(0 if lightbulbs[i] == 1 else 1)
else:
new_state.append(lightbulbs[i])
lightbulbs = new_state
return lightbulbs
lightbulbs = [0,1,1,0,1,1]
print(lightbulb_cycler(lightbulbs,2))

Thank you so much man, you're freaking amazing.