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First, messing with locals solution in Clear category for Multicolored Lamp by Phucanh_Trannguyen
class Lamp:
order = 0
colors = ["Green", "Red", "Blue", "Yellow"]
def light(self):
if self.order == 4:
self.order = 1
else:
self.order += 1
return self.colors[self.order - 1]
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!")
Feb. 10, 2019