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Second solution in Clear category for Multicolored Lamp by Fargekritt
from itertools import cycle
class Lamp:
COLORS = ("Green","Red","Blue","Yellow")
def __init__(self):
self.lights = cycle(Lamp.COLORS)
def light(self):
return next(self.lights)
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
lamp_1 = Lamp()
lamp_2 = Lamp()
lamp_1.light() #Green
lamp_1.light() #Red
lamp_2.light() #Green
assert lamp_1.light() == "Blue"
assert lamp_1.light() == "Yellow"
assert lamp_1.light() == "Green"
assert lamp_2.light() == "Red"
assert lamp_2.light() == "Blue"
print("Coding complete? Let's try tests!")
Jan. 7, 2020